Home / 66,171,624.10-99,257,436.15-47,890,053.70

Finding the Fourth Proportional to 66,171,624.10, 99,257,436.15 and 47,890,053.70

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Solution

The fourth proportional to 66,171,624.10, 99,257,436.15 and 47,890,053.70 is: 71,835,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,171,624.10 : 99,257,436.15 = 47,890,053.70 : x
  2. Step 2: Convert to fraction form
    66,171,624.10/99,257,436.15 = 47,890,053.70/x
  3. Step 3: Cross multiply
    66,171,624.10x = 99,257,436.15 × 47,890,053.70
  4. Step 4: Simplify right side
    66,171,624.10x = 4,753,443,947,347,822
  5. Step 5: Solve for x
    x = 4,753,443,947,347,822/66,171,624.10
  6. Step 6: Final answer
    x = 71,835,080.55

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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.