Home / 151,895,079.92-209,610,878.28-89,170,169.24

Finding the Fourth Proportional to 151,895,079.92, 209,610,878.28 and 89,170,169.24

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Solution

The fourth proportional to 151,895,079.92, 209,610,878.28 and 89,170,169.24 is: 123,052,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,895,079.92 : 209,610,878.28 = 89,170,169.24 : x
  2. Step 2: Convert to fraction form
    151,895,079.92/209,610,878.28 = 89,170,169.24/x
  3. Step 3: Cross multiply
    151,895,079.92x = 209,610,878.28 × 89,170,169.24
  4. Step 4: Simplify right side
    151,895,079.92x = 18,691,037,490,772,640
  5. Step 5: Solve for x
    x = 18,691,037,490,772,640/151,895,079.92
  6. Step 6: Final answer
    x = 123,052,290.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.