Home / 139,317,963.12-192,253,885.56-76,593,604.32

Finding the Fourth Proportional to 139,317,963.12, 192,253,885.56 and 76,593,604.32

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Solution

The fourth proportional to 139,317,963.12, 192,253,885.56 and 76,593,604.32 is: 105,696,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,317,963.12 : 192,253,885.56 = 76,593,604.32 : x
  2. Step 2: Convert to fraction form
    139,317,963.12/192,253,885.56 = 76,593,604.32/x
  3. Step 3: Cross multiply
    139,317,963.12x = 192,253,885.56 × 76,593,604.32
  4. Step 4: Simplify right side
    139,317,963.12x = 14,725,418,039,565,200
  5. Step 5: Solve for x
    x = 14,725,418,039,565,200/139,317,963.12
  6. Step 6: Final answer
    x = 105,696,478.11

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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.