Home / 83,328,145.20-124,992,217.80-74,846,084.40

Finding the Fourth Proportional to 83,328,145.20, 124,992,217.80 and 74,846,084.40

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Solution

The fourth proportional to 83,328,145.20, 124,992,217.80 and 74,846,084.40 is: 112,269,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,328,145.20 : 124,992,217.80 = 74,846,084.40 : x
  2. Step 2: Convert to fraction form
    83,328,145.20/124,992,217.80 = 74,846,084.40/x
  3. Step 3: Cross multiply
    83,328,145.20x = 124,992,217.80 × 74,846,084.40
  4. Step 4: Simplify right side
    83,328,145.20x = 9,355,178,082,801,982
  5. Step 5: Solve for x
    x = 9,355,178,082,801,982/83,328,145.20
  6. Step 6: Final answer
    x = 112,269,126.60

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1.5x scale

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.