Home / 145,114,229.52-200,257,636.80-79,924,133.52

Finding the Fourth Proportional to 145,114,229.52, 200,257,636.80 and 79,924,133.52

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Solution

The fourth proportional to 145,114,229.52, 200,257,636.80 and 79,924,133.52 is: 110,295,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,114,229.52 : 200,257,636.80 = 79,924,133.52 : x
  2. Step 2: Convert to fraction form
    145,114,229.52/200,257,636.80 = 79,924,133.52/x
  3. Step 3: Cross multiply
    145,114,229.52x = 200,257,636.80 × 79,924,133.52
  4. Step 4: Simplify right side
    145,114,229.52x = 16,005,418,102,002,866
  5. Step 5: Solve for x
    x = 16,005,418,102,002,866/145,114,229.52
  6. Step 6: Final answer
    x = 110,295,304.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.