Home / 55,366,126.40-83,024,306.40-21,276,142.40

Finding the Fourth Proportional to 55,366,126.40, 83,024,306.40 and 21,276,142.40

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Solution

The fourth proportional to 55,366,126.40, 83,024,306.40 and 21,276,142.40 is: 31,904,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,366,126.40 : 83,024,306.40 = 21,276,142.40 : x
  2. Step 2: Convert to fraction form
    55,366,126.40/83,024,306.40 = 21,276,142.40/x
  3. Step 3: Cross multiply
    55,366,126.40x = 83,024,306.40 × 21,276,142.40
  4. Step 4: Simplify right side
    55,366,126.40x = 1,766,436,965,627,631.25
  5. Step 5: Solve for x
    x = 1,766,436,965,627,631.25/55,366,126.40
  6. Step 6: Final answer
    x = 31,904,651.46

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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.