Home / 139,261,937.52-192,177,651.66-77,380,685.04

Finding the Fourth Proportional to 139,261,937.52, 192,177,651.66 and 77,380,685.04

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Solution

The fourth proportional to 139,261,937.52, 192,177,651.66 and 77,380,685.04 is: 106,783,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,261,937.52 : 192,177,651.66 = 77,380,685.04 : x
  2. Step 2: Convert to fraction form
    139,261,937.52/192,177,651.66 = 77,380,685.04/x
  3. Step 3: Cross multiply
    139,261,937.52x = 192,177,651.66 × 77,380,685.04
  4. Step 4: Simplify right side
    139,261,937.52x = 14,870,838,334,829,294
  5. Step 5: Solve for x
    x = 14,870,838,334,829,294/139,261,937.52
  6. Step 6: Final answer
    x = 106,783,221.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.