Home / 137,448,001.20-206,172,001.80-60,731,540.40

Finding the Fourth Proportional to 137,448,001.20, 206,172,001.80 and 60,731,540.40

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Solution

The fourth proportional to 137,448,001.20, 206,172,001.80 and 60,731,540.40 is: 91,097,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,448,001.20 : 206,172,001.80 = 60,731,540.40 : x
  2. Step 2: Convert to fraction form
    137,448,001.20/206,172,001.80 = 60,731,540.40/x
  3. Step 3: Cross multiply
    137,448,001.20x = 206,172,001.80 × 60,731,540.40
  4. Step 4: Simplify right side
    137,448,001.20x = 12,521,143,256,665,574
  5. Step 5: Solve for x
    x = 12,521,143,256,665,574/137,448,001.20
  6. Step 6: Final answer
    x = 91,097,310.60

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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.