Home / 79,488,974.80-119,233,462.20-66,052,046.80

Finding the Fourth Proportional to 79,488,974.80, 119,233,462.20 and 66,052,046.80

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Solution

The fourth proportional to 79,488,974.80, 119,233,462.20 and 66,052,046.80 is: 99,078,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,488,974.80 : 119,233,462.20 = 66,052,046.80 : x
  2. Step 2: Convert to fraction form
    79,488,974.80/119,233,462.20 = 66,052,046.80/x
  3. Step 3: Cross multiply
    79,488,974.80x = 119,233,462.20 × 66,052,046.80
  4. Step 4: Simplify right side
    79,488,974.80x = 7,875,614,225,360,431
  5. Step 5: Solve for x
    x = 7,875,614,225,360,431/79,488,974.80
  6. Step 6: Final answer
    x = 99,078,070.20

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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.