Home / 86,552,005.11-129,852,279.27-34,772,967.65

Finding the Fourth Proportional to 86,552,005.11, 129,852,279.27 and 34,772,967.65

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Solution

The fourth proportional to 86,552,005.11, 129,852,279.27 and 34,772,967.65 is: 52,169,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,552,005.11 : 129,852,279.27 = 34,772,967.65 : x
  2. Step 2: Convert to fraction form
    86,552,005.11/129,852,279.27 = 34,772,967.65/x
  3. Step 3: Cross multiply
    86,552,005.11x = 129,852,279.27 × 34,772,967.65
  4. Step 4: Simplify right side
    86,552,005.11x = 4,515,349,105,685,214
  5. Step 5: Solve for x
    x = 4,515,349,105,685,214/86,552,005.11
  6. Step 6: Final answer
    x = 52,169,202.78

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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.