Home / 161,858,438.10-242,787,657.15-52,693,895.70

Finding the Fourth Proportional to 161,858,438.10, 242,787,657.15 and 52,693,895.70

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Solution

The fourth proportional to 161,858,438.10, 242,787,657.15 and 52,693,895.70 is: 79,040,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,858,438.10 : 242,787,657.15 = 52,693,895.70 : x
  2. Step 2: Convert to fraction form
    161,858,438.10/242,787,657.15 = 52,693,895.70/x
  3. Step 3: Cross multiply
    161,858,438.10x = 242,787,657.15 × 52,693,895.70
  4. Step 4: Simplify right side
    161,858,438.10x = 12,793,427,483,109,460
  5. Step 5: Solve for x
    x = 12,793,427,483,109,460/161,858,438.10
  6. Step 6: Final answer
    x = 79,040,843.55

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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.