Home / 86,221,214,119.20-129,331,821,178.80-75,557,668,058.40

Finding the Fourth Proportional to 86,221,214,119.20, 129,331,821,178.80 and 75,557,668,058.40

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Solution

The fourth proportional to 86,221,214,119.20, 129,331,821,178.80 and 75,557,668,058.40 is: 113,336,502,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221,214,119.20 : 129,331,821,178.80 = 75,557,668,058.40 : x
  2. Step 2: Convert to fraction form
    86,221,214,119.20/129,331,821,178.80 = 75,557,668,058.40/x
  3. Step 3: Cross multiply
    86,221,214,119.20x = 129,331,821,178.80 × 75,557,668,058.40
  4. Step 4: Simplify right side
    86,221,214,119.20x = 9,772,010,814,016,115,965,952
  5. Step 5: Solve for x
    x = 9,772,010,814,016,115,965,952/86,221,214,119.20
  6. Step 6: Final answer
    x = 113,336,502,087.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.