Home / 130,408,093.30-195,612,139.95-84,491,590.90

Finding the Fourth Proportional to 130,408,093.30, 195,612,139.95 and 84,491,590.90

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Solution

The fourth proportional to 130,408,093.30, 195,612,139.95 and 84,491,590.90 is: 126,737,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,093.30 : 195,612,139.95 = 84,491,590.90 : x
  2. Step 2: Convert to fraction form
    130,408,093.30/195,612,139.95 = 84,491,590.90/x
  3. Step 3: Cross multiply
    130,408,093.30x = 195,612,139.95 × 84,491,590.90
  4. Step 4: Simplify right side
    130,408,093.30x = 16,527,580,903,728,946
  5. Step 5: Solve for x
    x = 16,527,580,903,728,946/130,408,093.30
  6. Step 6: Final answer
    x = 126,737,386.35

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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.