Home / 209,953,849.20-314,930,773.80-158,935,513.20

Finding the Fourth Proportional to 209,953,849.20, 314,930,773.80 and 158,935,513.20

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Solution

The fourth proportional to 209,953,849.20, 314,930,773.80 and 158,935,513.20 is: 238,403,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,849.20 : 314,930,773.80 = 158,935,513.20 : x
  2. Step 2: Convert to fraction form
    209,953,849.20/314,930,773.80 = 158,935,513.20/x
  3. Step 3: Cross multiply
    209,953,849.20x = 314,930,773.80 × 158,935,513.20
  4. Step 4: Simplify right side
    209,953,849.20x = 50,053,684,156,376,112
  5. Step 5: Solve for x
    x = 50,053,684,156,376,112/209,953,849.20
  6. Step 6: Final answer
    x = 238,403,269.80

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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.