Home / 242,528,165.10-363,795,358.05-80,970,101.10

Finding the Fourth Proportional to 242,528,165.10, 363,795,358.05 and 80,970,101.10

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Solution

The fourth proportional to 242,528,165.10, 363,795,358.05 and 80,970,101.10 is: 121,456,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,528,165.10 : 363,795,358.05 = 80,970,101.10 : x
  2. Step 2: Convert to fraction form
    242,528,165.10/363,795,358.05 = 80,970,101.10/x
  3. Step 3: Cross multiply
    242,528,165.10x = 363,795,358.05 × 80,970,101.10
  4. Step 4: Simplify right side
    242,528,165.10x = 29,456,546,921,019,196
  5. Step 5: Solve for x
    x = 29,456,546,921,019,196/242,528,165.10
  6. Step 6: Final answer
    x = 121,456,190.08

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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.