Home / 111,996,003.40-167,994,005.10-89,321,187.40

Finding the Fourth Proportional to 111,996,003.40, 167,994,005.10 and 89,321,187.40

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Solution

The fourth proportional to 111,996,003.40, 167,994,005.10 and 89,321,187.40 is: 133,981,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,996,003.40 : 167,994,005.10 = 89,321,187.40 : x
  2. Step 2: Convert to fraction form
    111,996,003.40/167,994,005.10 = 89,321,187.40/x
  3. Step 3: Cross multiply
    111,996,003.40x = 167,994,005.10 × 89,321,187.40
  4. Step 4: Simplify right side
    111,996,003.40x = 15,005,424,011,613,656
  5. Step 5: Solve for x
    x = 15,005,424,011,613,656/111,996,003.40
  6. Step 6: Final answer
    x = 133,981,781.10

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1.5x scale

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.