Home / 98,931,654.30-148,397,481.45-73,103,621.70

Finding the Fourth Proportional to 98,931,654.30, 148,397,481.45 and 73,103,621.70

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Solution

The fourth proportional to 98,931,654.30, 148,397,481.45 and 73,103,621.70 is: 109,655,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,931,654.30 : 148,397,481.45 = 73,103,621.70 : x
  2. Step 2: Convert to fraction form
    98,931,654.30/148,397,481.45 = 73,103,621.70/x
  3. Step 3: Cross multiply
    98,931,654.30x = 148,397,481.45 × 73,103,621.70
  4. Step 4: Simplify right side
    98,931,654.30x = 10,848,393,345,153,568
  5. Step 5: Solve for x
    x = 10,848,393,345,153,568/98,931,654.30
  6. Step 6: Final answer
    x = 109,655,432.55

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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.