Home / 131,208,493.80-196,924,715.10-58,537,108.20

Finding the Fourth Proportional to 131,208,493.80, 196,924,715.10 and 58,537,108.20

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Solution

The fourth proportional to 131,208,493.80, 196,924,715.10 and 58,537,108.20 is: 87,855,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,208,493.80 : 196,924,715.10 = 58,537,108.20 : x
  2. Step 2: Convert to fraction form
    131,208,493.80/196,924,715.10 = 58,537,108.20/x
  3. Step 3: Cross multiply
    131,208,493.80x = 196,924,715.10 × 58,537,108.20
  4. Step 4: Simplify right side
    131,208,493.80x = 11,527,403,355,062,874
  5. Step 5: Solve for x
    x = 11,527,403,355,062,874/131,208,493.80
  6. Step 6: Final answer
    x = 87,855,618.35

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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.