Home / 98,869,818.42-148,390,108.11-68,598,939.06

Finding the Fourth Proportional to 98,869,818.42, 148,390,108.11 and 68,598,939.06

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Solution

The fourth proportional to 98,869,818.42, 148,390,108.11 and 68,598,939.06 is: 102,957,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869,818.42 : 148,390,108.11 = 68,598,939.06 : x
  2. Step 2: Convert to fraction form
    98,869,818.42/148,390,108.11 = 68,598,939.06/x
  3. Step 3: Cross multiply
    98,869,818.42x = 148,390,108.11 × 68,598,939.06
  4. Step 4: Simplify right side
    98,869,818.42x = 10,179,403,983,344,704
  5. Step 5: Solve for x
    x = 10,179,403,983,344,704/98,869,818.42
  6. Step 6: Final answer
    x = 102,957,648.21

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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.