Home / 345,397,102.80-517,948,179.33-199,931,072.28

Finding the Fourth Proportional to 345,397,102.80, 517,948,179.33 and 199,931,072.28

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Solution

The fourth proportional to 345,397,102.80, 517,948,179.33 and 199,931,072.28 is: 299,811,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,397,102.80 : 517,948,179.33 = 199,931,072.28 : x
  2. Step 2: Convert to fraction form
    345,397,102.80/517,948,179.33 = 199,931,072.28/x
  3. Step 3: Cross multiply
    345,397,102.80x = 517,948,179.33 × 199,931,072.28
  4. Step 4: Simplify right side
    345,397,102.80x = 103,553,934,878,920,624
  5. Step 5: Solve for x
    x = 103,553,934,878,920,624/345,397,102.80
  6. Step 6: Final answer
    x = 299,811,243.46

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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.