Home / 98,654,130.20-147,981,195.30-30,496,712.60

Finding the Fourth Proportional to 98,654,130.20, 147,981,195.30 and 30,496,712.60

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Solution

The fourth proportional to 98,654,130.20, 147,981,195.30 and 30,496,712.60 is: 45,745,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,654,130.20 : 147,981,195.30 = 30,496,712.60 : x
  2. Step 2: Convert to fraction form
    98,654,130.20/147,981,195.30 = 30,496,712.60/x
  3. Step 3: Cross multiply
    98,654,130.20x = 147,981,195.30 × 30,496,712.60
  4. Step 4: Simplify right side
    98,654,130.20x = 4,512,939,983,268,571
  5. Step 5: Solve for x
    x = 4,512,939,983,268,571/98,654,130.20
  6. Step 6: Final answer
    x = 45,745,068.90

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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.