Home / 218,722,805.10-328,084,207.65-202,094,606.70

Finding the Fourth Proportional to 218,722,805.10, 328,084,207.65 and 202,094,606.70

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Solution

The fourth proportional to 218,722,805.10, 328,084,207.65 and 202,094,606.70 is: 303,141,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,722,805.10 : 328,084,207.65 = 202,094,606.70 : x
  2. Step 2: Convert to fraction form
    218,722,805.10/328,084,207.65 = 202,094,606.70/x
  3. Step 3: Cross multiply
    218,722,805.10x = 328,084,207.65 × 202,094,606.70
  4. Step 4: Simplify right side
    218,722,805.10x = 66,304,048,909,507,872
  5. Step 5: Solve for x
    x = 66,304,048,909,507,872/218,722,805.10
  6. Step 6: Final answer
    x = 303,141,910.05

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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.