Home / 242,665,980.30-363,998,970.45-97,122,005.10

Finding the Fourth Proportional to 242,665,980.30, 363,998,970.45 and 97,122,005.10

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Solution

The fourth proportional to 242,665,980.30, 363,998,970.45 and 97,122,005.10 is: 145,683,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,665,980.30 : 363,998,970.45 = 97,122,005.10 : x
  2. Step 2: Convert to fraction form
    242,665,980.30/363,998,970.45 = 97,122,005.10/x
  3. Step 3: Cross multiply
    242,665,980.30x = 363,998,970.45 × 97,122,005.10
  4. Step 4: Simplify right side
    242,665,980.30x = 35,352,309,864,439,644
  5. Step 5: Solve for x
    x = 35,352,309,864,439,644/242,665,980.30
  6. Step 6: Final answer
    x = 145,683,007.65

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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.