Home / 161,520,387.60-242,280,581.40-97,023,133.20

Finding the Fourth Proportional to 161,520,387.60, 242,280,581.40 and 97,023,133.20

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Solution

The fourth proportional to 161,520,387.60, 242,280,581.40 and 97,023,133.20 is: 145,534,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520,387.60 : 242,280,581.40 = 97,023,133.20 : x
  2. Step 2: Convert to fraction form
    161,520,387.60/242,280,581.40 = 97,023,133.20/x
  3. Step 3: Cross multiply
    161,520,387.60x = 242,280,581.40 × 97,023,133.20
  4. Step 4: Simplify right side
    161,520,387.60x = 23,506,821,120,945,644
  5. Step 5: Solve for x
    x = 23,506,821,120,945,644/161,520,387.60
  6. Step 6: Final answer
    x = 145,534,699.80

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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.