Home / 129,790,634.40-194,685,951.60-125,255,671.20

Finding the Fourth Proportional to 129,790,634.40, 194,685,951.60 and 125,255,671.20

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Solution

The fourth proportional to 129,790,634.40, 194,685,951.60 and 125,255,671.20 is: 187,883,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,790,634.40 : 194,685,951.60 = 125,255,671.20 : x
  2. Step 2: Convert to fraction form
    129,790,634.40/194,685,951.60 = 125,255,671.20/x
  3. Step 3: Cross multiply
    129,790,634.40x = 194,685,951.60 × 125,255,671.20
  4. Step 4: Simplify right side
    129,790,634.40x = 24,385,519,540,868,712
  5. Step 5: Solve for x
    x = 24,385,519,540,868,712/129,790,634.40
  6. Step 6: Final answer
    x = 187,883,506.80

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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.