Home / 103,549,175.27-142,900,898.80-56,509,285.97

Finding the Fourth Proportional to 103,549,175.27, 142,900,898.80 and 56,509,285.97

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Solution

The fourth proportional to 103,549,175.27, 142,900,898.80 and 56,509,285.97 is: 77,984,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,549,175.27 : 142,900,898.80 = 56,509,285.97 : x
  2. Step 2: Convert to fraction form
    103,549,175.27/142,900,898.80 = 56,509,285.97/x
  3. Step 3: Cross multiply
    103,549,175.27x = 142,900,898.80 × 56,509,285.97
  4. Step 4: Simplify right side
    103,549,175.27x = 8,075,227,755,659,230
  5. Step 5: Solve for x
    x = 8,075,227,755,659,230/103,549,175.27
  6. Step 6: Final answer
    x = 77,984,471.96

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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.