Home / 55,366,123.90-83,024,302.65-21,276,139.90

Finding the Fourth Proportional to 55,366,123.90, 83,024,302.65 and 21,276,139.90

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Solution

The fourth proportional to 55,366,123.90, 83,024,302.65 and 21,276,139.90 is: 31,904,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,366,123.90 : 83,024,302.65 = 21,276,139.90 : x
  2. Step 2: Convert to fraction form
    55,366,123.90/83,024,302.65 = 21,276,139.90/x
  3. Step 3: Cross multiply
    55,366,123.90x = 83,024,302.65 × 21,276,139.90
  4. Step 4: Simplify right side
    55,366,123.90x = 1,766,436,678,281,340.75
  5. Step 5: Solve for x
    x = 1,766,436,678,281,340.75/55,366,123.90
  6. Step 6: Final answer
    x = 31,904,647.71

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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.