Home / 144,911,307.60-217,309,224.60-47,840,000.40

Finding the Fourth Proportional to 144,911,307.60, 217,309,224.60 and 47,840,000.40

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Solution

The fourth proportional to 144,911,307.60, 217,309,224.60 and 47,840,000.40 is: 71,740,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,911,307.60 : 217,309,224.60 = 47,840,000.40 : x
  2. Step 2: Convert to fraction form
    144,911,307.60/217,309,224.60 = 47,840,000.40/x
  3. Step 3: Cross multiply
    144,911,307.60x = 217,309,224.60 × 47,840,000.40
  4. Step 4: Simplify right side
    144,911,307.60x = 10,396,073,391,787,690
  5. Step 5: Solve for x
    x = 10,396,073,391,787,690/144,911,307.60
  6. Step 6: Final answer
    x = 71,740,939.78

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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.