Home / 130,734,843.60-195,598,380.60-85,385,211.60

Finding the Fourth Proportional to 130,734,843.60, 195,598,380.60 and 85,385,211.60

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Solution

The fourth proportional to 130,734,843.60, 195,598,380.60 and 85,385,211.60 is: 127,748,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,734,843.60 : 195,598,380.60 = 85,385,211.60 : x
  2. Step 2: Convert to fraction form
    130,734,843.60/195,598,380.60 = 85,385,211.60/x
  3. Step 3: Cross multiply
    130,734,843.60x = 195,598,380.60 × 85,385,211.60
  4. Step 4: Simplify right side
    130,734,843.60x = 16,701,209,116,148,334
  5. Step 5: Solve for x
    x = 16,701,209,116,148,334/130,734,843.60
  6. Step 6: Final answer
    x = 127,748,721.43

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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.