Home / 99,102,702.60-148,512,336.30-68,775,136.20

Finding the Fourth Proportional to 99,102,702.60, 148,512,336.30 and 68,775,136.20

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Solution

The fourth proportional to 99,102,702.60, 148,512,336.30 and 68,775,136.20 is: 103,064,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,102,702.60 : 148,512,336.30 = 68,775,136.20 : x
  2. Step 2: Convert to fraction form
    99,102,702.60/148,512,336.30 = 68,775,136.20/x
  3. Step 3: Cross multiply
    99,102,702.60x = 148,512,336.30 × 68,775,136.20
  4. Step 4: Simplify right side
    99,102,702.60x = 10,213,956,156,412,706
  5. Step 5: Solve for x
    x = 10,213,956,156,412,706/99,102,702.60
  6. Step 6: Final answer
    x = 103,064,355.34

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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.