Home / 145,752,514.20-218,631,104.10-38,047,138.20

Finding the Fourth Proportional to 145,752,514.20, 218,631,104.10 and 38,047,138.20

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Solution

The fourth proportional to 145,752,514.20, 218,631,104.10 and 38,047,138.20 is: 57,071,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,752,514.20 : 218,631,104.10 = 38,047,138.20 : x
  2. Step 2: Convert to fraction form
    145,752,514.20/218,631,104.10 = 38,047,138.20/x
  3. Step 3: Cross multiply
    145,752,514.20x = 218,631,104.10 × 38,047,138.20
  4. Step 4: Simplify right side
    145,752,514.20x = 8,318,287,832,511,287
  5. Step 5: Solve for x
    x = 8,318,287,832,511,287/145,752,514.20
  6. Step 6: Final answer
    x = 57,071,316.25

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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.