Home / 123,680,454.69-185,520,575.45-31,564,185.35

Finding the Fourth Proportional to 123,680,454.69, 185,520,575.45 and 31,564,185.35

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Solution

The fourth proportional to 123,680,454.69, 185,520,575.45 and 31,564,185.35 is: 47,346,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,680,454.69 : 185,520,575.45 = 31,564,185.35 : x
  2. Step 2: Convert to fraction form
    123,680,454.69/185,520,575.45 = 31,564,185.35/x
  3. Step 3: Cross multiply
    123,680,454.69x = 185,520,575.45 × 31,564,185.35
  4. Step 4: Simplify right side
    123,680,454.69x = 5,855,805,829,120,837
  5. Step 5: Solve for x
    x = 5,855,805,829,120,837/123,680,454.69
  6. Step 6: Final answer
    x = 47,346,250.82

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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.