Home / 148,868,142.30-223,302,213.45-142,171,985.70

Finding the Fourth Proportional to 148,868,142.30, 223,302,213.45 and 142,171,985.70

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Solution

The fourth proportional to 148,868,142.30, 223,302,213.45 and 142,171,985.70 is: 213,257,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,868,142.30 : 223,302,213.45 = 142,171,985.70 : x
  2. Step 2: Convert to fraction form
    148,868,142.30/223,302,213.45 = 142,171,985.70/x
  3. Step 3: Cross multiply
    148,868,142.30x = 223,302,213.45 × 142,171,985.70
  4. Step 4: Simplify right side
    148,868,142.30x = 31,747,319,097,391,744
  5. Step 5: Solve for x
    x = 31,747,319,097,391,744/148,868,142.30
  6. Step 6: Final answer
    x = 213,257,978.55

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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.