Home / 345,019,717.34-517,691,188.17-170,047,367.42

Finding the Fourth Proportional to 345,019,717.34, 517,691,188.17 and 170,047,367.42

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Solution

The fourth proportional to 345,019,717.34, 517,691,188.17 and 170,047,367.42 is: 255,150,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,019,717.34 : 517,691,188.17 = 170,047,367.42 : x
  2. Step 2: Convert to fraction form
    345,019,717.34/517,691,188.17 = 170,047,367.42/x
  3. Step 3: Cross multiply
    345,019,717.34x = 517,691,188.17 × 170,047,367.42
  4. Step 4: Simplify right side
    345,019,717.34x = 88,032,023,684,840,336
  5. Step 5: Solve for x
    x = 88,032,023,684,840,336/345,019,717.34
  6. Step 6: Final answer
    x = 255,150,703.74

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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.