Home / 158,227,166.76-218,298,845.12-99,494,301.30

Finding the Fourth Proportional to 158,227,166.76, 218,298,845.12 and 99,494,301.30

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Solution

The fourth proportional to 158,227,166.76, 218,298,845.12 and 99,494,301.30 is: 137,267,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,227,166.76 : 218,298,845.12 = 99,494,301.30 : x
  2. Step 2: Convert to fraction form
    158,227,166.76/218,298,845.12 = 99,494,301.30/x
  3. Step 3: Cross multiply
    158,227,166.76x = 218,298,845.12 × 99,494,301.30
  4. Step 4: Simplify right side
    158,227,166.76x = 21,719,491,069,811,316
  5. Step 5: Solve for x
    x = 21,719,491,069,811,316/158,227,166.76
  6. Step 6: Final answer
    x = 137,267,774.65

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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.