Home / 218,820,041.80-328,230,062.70-197,656,880.20

Finding the Fourth Proportional to 218,820,041.80, 328,230,062.70 and 197,656,880.20

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Solution

The fourth proportional to 218,820,041.80, 328,230,062.70 and 197,656,880.20 is: 296,485,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,820,041.80 : 328,230,062.70 = 197,656,880.20 : x
  2. Step 2: Convert to fraction form
    218,820,041.80/328,230,062.70 = 197,656,880.20/x
  3. Step 3: Cross multiply
    218,820,041.80x = 328,230,062.70 × 197,656,880.20
  4. Step 4: Simplify right side
    218,820,041.80x = 64,876,930,181,132,384
  5. Step 5: Solve for x
    x = 64,876,930,181,132,384/218,820,041.80
  6. Step 6: Final answer
    x = 296,485,320.30

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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.