Home / 83,112,243.60-124,668,365.40-67,995,699.60

Finding the Fourth Proportional to 83,112,243.60, 124,668,365.40 and 67,995,699.60

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Solution

The fourth proportional to 83,112,243.60, 124,668,365.40 and 67,995,699.60 is: 101,993,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,112,243.60 : 124,668,365.40 = 67,995,699.60 : x
  2. Step 2: Convert to fraction form
    83,112,243.60/124,668,365.40 = 67,995,699.60/x
  3. Step 3: Cross multiply
    83,112,243.60x = 124,668,365.40 × 67,995,699.60
  4. Step 4: Simplify right side
    83,112,243.60x = 8,476,912,723,361,434
  5. Step 5: Solve for x
    x = 8,476,912,723,361,434/83,112,243.60
  6. Step 6: Final answer
    x = 101,993,549.40

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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.