Home / 129,476,128.40-194,288,842.20-48,755,027.60

Finding the Fourth Proportional to 129,476,128.40, 194,288,842.20 and 48,755,027.60

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Solution

The fourth proportional to 129,476,128.40, 194,288,842.20 and 48,755,027.60 is: 73,160,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,476,128.40 : 194,288,842.20 = 48,755,027.60 : x
  2. Step 2: Convert to fraction form
    129,476,128.40/194,288,842.20 = 48,755,027.60/x
  3. Step 3: Cross multiply
    129,476,128.40x = 194,288,842.20 × 48,755,027.60
  4. Step 4: Simplify right side
    129,476,128.40x = 9,472,557,863,833,044
  5. Step 5: Solve for x
    x = 9,472,557,863,833,044/129,476,128.40
  6. Step 6: Final answer
    x = 73,160,651.16

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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.