Home / 73,872,001.20-110,808,001.80-49,213,138.80

Finding the Fourth Proportional to 73,872,001.20, 110,808,001.80 and 49,213,138.80

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Solution

The fourth proportional to 73,872,001.20, 110,808,001.80 and 49,213,138.80 is: 73,819,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,001.20 : 110,808,001.80 = 49,213,138.80 : x
  2. Step 2: Convert to fraction form
    73,872,001.20/110,808,001.80 = 49,213,138.80/x
  3. Step 3: Cross multiply
    73,872,001.20x = 110,808,001.80 × 49,213,138.80
  4. Step 4: Simplify right side
    73,872,001.20x = 5,453,209,572,734,049
  5. Step 5: Solve for x
    x = 5,453,209,572,734,049/73,872,001.20
  6. Step 6: Final answer
    x = 73,819,708.20

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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.