Home / 87,756,646.30-131,650,715.85-36,643,831.90

Finding the Fourth Proportional to 87,756,646.30, 131,650,715.85 and 36,643,831.90

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Solution

The fourth proportional to 87,756,646.30, 131,650,715.85 and 36,643,831.90 is: 54,972,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,756,646.30 : 131,650,715.85 = 36,643,831.90 : x
  2. Step 2: Convert to fraction form
    87,756,646.30/131,650,715.85 = 36,643,831.90/x
  3. Step 3: Cross multiply
    87,756,646.30x = 131,650,715.85 × 36,643,831.90
  4. Step 4: Simplify right side
    87,756,646.30x = 4,824,186,701,122,065
  5. Step 5: Solve for x
    x = 4,824,186,701,122,065/87,756,646.30
  6. Step 6: Final answer
    x = 54,972,322.95

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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.