Home / 103,493,150.60-155,239,725.90-88,104,981.20

Finding the Fourth Proportional to 103,493,150.60, 155,239,725.90 and 88,104,981.20

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Solution

The fourth proportional to 103,493,150.60, 155,239,725.90 and 88,104,981.20 is: 132,157,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,493,150.60 : 155,239,725.90 = 88,104,981.20 : x
  2. Step 2: Convert to fraction form
    103,493,150.60/155,239,725.90 = 88,104,981.20/x
  3. Step 3: Cross multiply
    103,493,150.60x = 155,239,725.90 × 88,104,981.20
  4. Step 4: Simplify right side
    103,493,150.60x = 13,677,393,131,912,654
  5. Step 5: Solve for x
    x = 13,677,393,131,912,654/103,493,150.60
  6. Step 6: Final answer
    x = 132,157,471.80

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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.