Home / 52,820,200.80-79,230,301.20-30,145,384.80

Finding the Fourth Proportional to 52,820,200.80, 79,230,301.20 and 30,145,384.80

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Solution

The fourth proportional to 52,820,200.80, 79,230,301.20 and 30,145,384.80 is: 45,218,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,820,200.80 : 79,230,301.20 = 30,145,384.80 : x
  2. Step 2: Convert to fraction form
    52,820,200.80/79,230,301.20 = 30,145,384.80/x
  3. Step 3: Cross multiply
    52,820,200.80x = 79,230,301.20 × 30,145,384.80
  4. Step 4: Simplify right side
    52,820,200.80x = 2,388,427,917,493,902
  5. Step 5: Solve for x
    x = 2,388,427,917,493,902/52,820,200.80
  6. Step 6: Final answer
    x = 45,218,077.20

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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.