Home / 68,789,814.96-103,230,123.28-36,464,417.91

Finding the Fourth Proportional to 68,789,814.96, 103,230,123.28 and 36,464,417.91

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Solution

The fourth proportional to 68,789,814.96, 103,230,123.28 and 36,464,417.91 is: 54,720,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,789,814.96 : 103,230,123.28 = 36,464,417.91 : x
  2. Step 2: Convert to fraction form
    68,789,814.96/103,230,123.28 = 36,464,417.91/x
  3. Step 3: Cross multiply
    68,789,814.96x = 103,230,123.28 × 36,464,417.91
  4. Step 4: Simplify right side
    68,789,814.96x = 3,764,226,356,403,569
  5. Step 5: Solve for x
    x = 3,764,226,356,403,569/68,789,814.96
  6. Step 6: Final answer
    x = 54,720,693.15

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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.