Home / 373,999,266.64-516,109,087.56-208,988,192.08

Finding the Fourth Proportional to 373,999,266.64, 516,109,087.56 and 208,988,192.08

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Solution

The fourth proportional to 373,999,266.64, 516,109,087.56 and 208,988,192.08 is: 288,398,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,999,266.64 : 516,109,087.56 = 208,988,192.08 : x
  2. Step 2: Convert to fraction form
    373,999,266.64/516,109,087.56 = 208,988,192.08/x
  3. Step 3: Cross multiply
    373,999,266.64x = 516,109,087.56 × 208,988,192.08
  4. Step 4: Simplify right side
    373,999,266.64x = 107,860,705,125,222,832
  5. Step 5: Solve for x
    x = 107,860,705,125,222,832/373,999,266.64
  6. Step 6: Final answer
    x = 288,398,172.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.