Home / 56,692,957.12-78,194,511.18-42,754,899.61

Finding the Fourth Proportional to 56,692,957.12, 78,194,511.18 and 42,754,899.61

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Solution

The fourth proportional to 56,692,957.12, 78,194,511.18 and 42,754,899.61 is: 58,970,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692,957.12 : 78,194,511.18 = 42,754,899.61 : x
  2. Step 2: Convert to fraction form
    56,692,957.12/78,194,511.18 = 42,754,899.61/x
  3. Step 3: Cross multiply
    56,692,957.12x = 78,194,511.18 × 42,754,899.61
  4. Step 4: Simplify right side
    56,692,957.12x = 3,343,198,475,651,666
  5. Step 5: Solve for x
    x = 3,343,198,475,651,666/56,692,957.12
  6. Step 6: Final answer
    x = 58,970,260.96

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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.