Home / 74,635,963.20-112,003,711.20-42,287,803.20

Finding the Fourth Proportional to 74,635,963.20, 112,003,711.20 and 42,287,803.20

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Solution

The fourth proportional to 74,635,963.20, 112,003,711.20 and 42,287,803.20 is: 63,459,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,635,963.20 : 112,003,711.20 = 42,287,803.20 : x
  2. Step 2: Convert to fraction form
    74,635,963.20/112,003,711.20 = 42,287,803.20/x
  3. Step 3: Cross multiply
    74,635,963.20x = 112,003,711.20 × 42,287,803.20
  4. Step 4: Simplify right side
    74,635,963.20x = 4,736,390,896,895,236
  5. Step 5: Solve for x
    x = 4,736,390,896,895,236/74,635,963.20
  6. Step 6: Final answer
    x = 63,459,901.82

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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.