Home / 149,291,288.20-223,921,013.10-52,248,849.40

Finding the Fourth Proportional to 149,291,288.20, 223,921,013.10 and 52,248,849.40

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Solution

The fourth proportional to 149,291,288.20, 223,921,013.10 and 52,248,849.40 is: 78,367,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,291,288.20 : 223,921,013.10 = 52,248,849.40 : x
  2. Step 2: Convert to fraction form
    149,291,288.20/223,921,013.10 = 52,248,849.40/x
  3. Step 3: Cross multiply
    149,291,288.20x = 223,921,013.10 × 52,248,849.40
  4. Step 4: Simplify right side
    149,291,288.20x = 11,699,615,290,957,326
  5. Step 5: Solve for x
    x = 11,699,615,290,957,326/149,291,288.20
  6. Step 6: Final answer
    x = 78,367,702.71

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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.