Home / 91,816,897.20-137,406,481.20-63,119,083.20

Finding the Fourth Proportional to 91,816,897.20, 137,406,481.20 and 63,119,083.20

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Solution

The fourth proportional to 91,816,897.20, 137,406,481.20 and 63,119,083.20 is: 94,459,422.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,816,897.20 : 137,406,481.20 = 63,119,083.20 : x
  2. Step 2: Convert to fraction form
    91,816,897.20/137,406,481.20 = 63,119,083.20/x
  3. Step 3: Cross multiply
    91,816,897.20x = 137,406,481.20 × 63,119,083.20
  4. Step 4: Simplify right side
    91,816,897.20x = 8,672,971,119,082,035
  5. Step 5: Solve for x
    x = 8,672,971,119,082,035/91,816,897.20
  6. Step 6: Final answer
    x = 94,459,422.87

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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.