Home / 123,911,972.40-185,867,958.60-59,341,890.90

Finding the Fourth Proportional to 123,911,972.40, 185,867,958.60 and 59,341,890.90

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Solution

The fourth proportional to 123,911,972.40, 185,867,958.60 and 59,341,890.90 is: 89,012,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,911,972.40 : 185,867,958.60 = 59,341,890.90 : x
  2. Step 2: Convert to fraction form
    123,911,972.40/185,867,958.60 = 59,341,890.90/x
  3. Step 3: Cross multiply
    123,911,972.40x = 185,867,958.60 × 59,341,890.90
  4. Step 4: Simplify right side
    123,911,972.40x = 11,029,756,121,046,916
  5. Step 5: Solve for x
    x = 11,029,756,121,046,916/123,911,972.40
  6. Step 6: Final answer
    x = 89,012,836.35

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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.