Home / 64,672,331.80-96,866,780.10-57,491,973.40

Finding the Fourth Proportional to 64,672,331.80, 96,866,780.10 and 57,491,973.40

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Solution

The fourth proportional to 64,672,331.80, 96,866,780.10 and 57,491,973.40 is: 86,111,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,672,331.80 : 96,866,780.10 = 57,491,973.40 : x
  2. Step 2: Convert to fraction form
    64,672,331.80/96,866,780.10 = 57,491,973.40/x
  3. Step 3: Cross multiply
    64,672,331.80x = 96,866,780.10 × 57,491,973.40
  4. Step 4: Simplify right side
    64,672,331.80x = 5,569,062,344,852,849
  5. Step 5: Solve for x
    x = 5,569,062,344,852,849/64,672,331.80
  6. Step 6: Final answer
    x = 86,111,976.94

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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.