Home / 161,715,808.20-242,573,712.30-157,464,280.20

Finding the Fourth Proportional to 161,715,808.20, 242,573,712.30 and 157,464,280.20

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Solution

The fourth proportional to 161,715,808.20, 242,573,712.30 and 157,464,280.20 is: 236,196,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,715,808.20 : 242,573,712.30 = 157,464,280.20 : x
  2. Step 2: Convert to fraction form
    161,715,808.20/242,573,712.30 = 157,464,280.20/x
  3. Step 3: Cross multiply
    161,715,808.20x = 242,573,712.30 × 157,464,280.20
  4. Step 4: Simplify right side
    161,715,808.20x = 38,196,695,002,761,384
  5. Step 5: Solve for x
    x = 38,196,695,002,761,384/161,715,808.20
  6. Step 6: Final answer
    x = 236,196,420.30

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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.