Home / 86,349,287.31-129,487,062.25-49,982,779.68

Finding the Fourth Proportional to 86,349,287.31, 129,487,062.25 and 49,982,779.68

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Solution

The fourth proportional to 86,349,287.31, 129,487,062.25 and 49,982,779.68 is: 74,952,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,349,287.31 : 129,487,062.25 = 49,982,779.68 : x
  2. Step 2: Convert to fraction form
    86,349,287.31/129,487,062.25 = 49,982,779.68/x
  3. Step 3: Cross multiply
    86,349,287.31x = 129,487,062.25 × 49,982,779.68
  4. Step 4: Simplify right side
    86,349,287.31x = 6,472,123,303,852,195
  5. Step 5: Solve for x
    x = 6,472,123,303,852,195/86,349,287.31
  6. Step 6: Final answer
    x = 74,952,828.28

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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.