Home / 102,528,957.72-141,491,290.60-56,118,215.18

Finding the Fourth Proportional to 102,528,957.72, 141,491,290.60 and 56,118,215.18

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Solution

The fourth proportional to 102,528,957.72, 141,491,290.60 and 56,118,215.18 is: 77,443,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528,957.72 : 141,491,290.60 = 56,118,215.18 : x
  2. Step 2: Convert to fraction form
    102,528,957.72/141,491,290.60 = 56,118,215.18/x
  3. Step 3: Cross multiply
    102,528,957.72x = 141,491,290.60 × 56,118,215.18
  4. Step 4: Simplify right side
    102,528,957.72x = 7,940,238,691,986,711
  5. Step 5: Solve for x
    x = 7,940,238,691,986,711/102,528,957.72
  6. Step 6: Final answer
    x = 77,443,864.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.