Home / 161,575,998.60-242,516,213.10-84,954,016.20

Finding the Fourth Proportional to 161,575,998.60, 242,516,213.10 and 84,954,016.20

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Solution

The fourth proportional to 161,575,998.60, 242,516,213.10 and 84,954,016.20 is: 127,511,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,575,998.60 : 242,516,213.10 = 84,954,016.20 : x
  2. Step 2: Convert to fraction form
    161,575,998.60/242,516,213.10 = 84,954,016.20/x
  3. Step 3: Cross multiply
    161,575,998.60x = 242,516,213.10 × 84,954,016.20
  4. Step 4: Simplify right side
    161,575,998.60x = 20,602,726,296,460,052
  5. Step 5: Solve for x
    x = 20,602,726,296,460,052/161,575,998.60
  6. Step 6: Final answer
    x = 127,511,056.56

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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.