Home / 157,248,002.20-235,872,003.30-80,720,498.20

Finding the Fourth Proportional to 157,248,002.20, 235,872,003.30 and 80,720,498.20

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Solution

The fourth proportional to 157,248,002.20, 235,872,003.30 and 80,720,498.20 is: 121,080,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,248,002.20 : 235,872,003.30 = 80,720,498.20 : x
  2. Step 2: Convert to fraction form
    157,248,002.20/235,872,003.30 = 80,720,498.20/x
  3. Step 3: Cross multiply
    157,248,002.20x = 235,872,003.30 × 80,720,498.20
  4. Step 4: Simplify right side
    157,248,002.20x = 19,039,705,617,808,044
  5. Step 5: Solve for x
    x = 19,039,705,617,808,044/157,248,002.20
  6. Step 6: Final answer
    x = 121,080,747.30

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Similar ratio
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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.