Home / 125,894,047.78-173,729,711.63-72,257,537.39

Finding the Fourth Proportional to 125,894,047.78, 173,729,711.63 and 72,257,537.39

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Solution

The fourth proportional to 125,894,047.78, 173,729,711.63 and 72,257,537.39 is: 99,713,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894,047.78 : 173,729,711.63 = 72,257,537.39 : x
  2. Step 2: Convert to fraction form
    125,894,047.78/173,729,711.63 = 72,257,537.39/x
  3. Step 3: Cross multiply
    125,894,047.78x = 173,729,711.63 × 72,257,537.39
  4. Step 4: Simplify right side
    125,894,047.78x = 12,553,281,133,497,356
  5. Step 5: Solve for x
    x = 12,553,281,133,497,356/125,894,047.78
  6. Step 6: Final answer
    x = 99,713,063.13

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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.