Home / 137,882,080.64-206,821,349.40-45,808,155.92

Finding the Fourth Proportional to 137,882,080.64, 206,821,349.40 and 45,808,155.92

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Solution

The fourth proportional to 137,882,080.64, 206,821,349.40 and 45,808,155.92 is: 68,711,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,882,080.64 : 206,821,349.40 = 45,808,155.92 : x
  2. Step 2: Convert to fraction form
    137,882,080.64/206,821,349.40 = 45,808,155.92/x
  3. Step 3: Cross multiply
    137,882,080.64x = 206,821,349.40 × 45,808,155.92
  4. Step 4: Simplify right side
    137,882,080.64x = 9,474,104,620,900,000
  5. Step 5: Solve for x
    x = 9,474,104,620,900,000/137,882,080.64
  6. Step 6: Final answer
    x = 68,711,645.32

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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.