Home / 247,731,966.70-371,614,336.14-72,870,643.52

Finding the Fourth Proportional to 247,731,966.70, 371,614,336.14 and 72,870,643.52

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Solution

The fourth proportional to 247,731,966.70, 371,614,336.14 and 72,870,643.52 is: 109,310,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,731,966.70 : 371,614,336.14 = 72,870,643.52 : x
  2. Step 2: Convert to fraction form
    247,731,966.70/371,614,336.14 = 72,870,643.52/x
  3. Step 3: Cross multiply
    247,731,966.70x = 371,614,336.14 × 72,870,643.52
  4. Step 4: Simplify right side
    247,731,966.70x = 27,079,775,815,779,392
  5. Step 5: Solve for x
    x = 27,079,775,815,779,392/247,731,966.70
  6. Step 6: Final answer
    x = 109,310,785.27

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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.