Home / 247,816,728.61-371,684,692.21-72,898,854.90

Finding the Fourth Proportional to 247,816,728.61, 371,684,692.21 and 72,898,854.90

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Solution

The fourth proportional to 247,816,728.61, 371,684,692.21 and 72,898,854.90 is: 109,336,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,816,728.61 : 371,684,692.21 = 72,898,854.90 : x
  2. Step 2: Convert to fraction form
    247,816,728.61/371,684,692.21 = 72,898,854.90/x
  3. Step 3: Cross multiply
    247,816,728.61x = 371,684,692.21 × 72,898,854.90
  4. Step 4: Simplify right side
    247,816,728.61x = 27,095,388,446,148,084
  5. Step 5: Solve for x
    x = 27,095,388,446,148,084/247,816,728.61
  6. Step 6: Final answer
    x = 109,336,397.90

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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.