Home / 218,723,139.10-328,084,708.65-202,094,940.70

Finding the Fourth Proportional to 218,723,139.10, 328,084,708.65 and 202,094,940.70

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Solution

The fourth proportional to 218,723,139.10, 328,084,708.65 and 202,094,940.70 is: 303,142,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,723,139.10 : 328,084,708.65 = 202,094,940.70 : x
  2. Step 2: Convert to fraction form
    218,723,139.10/328,084,708.65 = 202,094,940.70/x
  3. Step 3: Cross multiply
    218,723,139.10x = 328,084,708.65 × 202,094,940.70
  4. Step 4: Simplify right side
    218,723,139.10x = 66,304,259,739,198,520
  5. Step 5: Solve for x
    x = 66,304,259,739,198,520/218,723,139.10
  6. Step 6: Final answer
    x = 303,142,411.05

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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.