Home / 130,408,098.80-195,612,148.20-84,491,596.40

Finding the Fourth Proportional to 130,408,098.80, 195,612,148.20 and 84,491,596.40

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Solution

The fourth proportional to 130,408,098.80, 195,612,148.20 and 84,491,596.40 is: 126,737,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,098.80 : 195,612,148.20 = 84,491,596.40 : x
  2. Step 2: Convert to fraction form
    130,408,098.80/195,612,148.20 = 84,491,596.40/x
  3. Step 3: Cross multiply
    130,408,098.80x = 195,612,148.20 × 84,491,596.40
  4. Step 4: Simplify right side
    130,408,098.80x = 16,527,582,676,651,386
  5. Step 5: Solve for x
    x = 16,527,582,676,651,386/130,408,098.80
  6. Step 6: Final answer
    x = 126,737,394.60

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1.5x scale

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.