Home / 129,032,562.80-193,548,844.20-74,613,004.40

Finding the Fourth Proportional to 129,032,562.80, 193,548,844.20 and 74,613,004.40

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Solution

The fourth proportional to 129,032,562.80, 193,548,844.20 and 74,613,004.40 is: 111,919,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032,562.80 : 193,548,844.20 = 74,613,004.40 : x
  2. Step 2: Convert to fraction form
    129,032,562.80/193,548,844.20 = 74,613,004.40/x
  3. Step 3: Cross multiply
    129,032,562.80x = 193,548,844.20 × 74,613,004.40
  4. Step 4: Simplify right side
    129,032,562.80x = 14,441,260,763,909,514
  5. Step 5: Solve for x
    x = 14,441,260,763,909,514/129,032,562.80
  6. Step 6: Final answer
    x = 111,919,506.60

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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.