Home / 209,039,177.72-313,538,505.35-63,474,018.66

Finding the Fourth Proportional to 209,039,177.72, 313,538,505.35 and 63,474,018.66

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Solution

The fourth proportional to 209,039,177.72, 313,538,505.35 and 63,474,018.66 is: 95,204,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,039,177.72 : 313,538,505.35 = 63,474,018.66 : x
  2. Step 2: Convert to fraction form
    209,039,177.72/313,538,505.35 = 63,474,018.66/x
  3. Step 3: Cross multiply
    209,039,177.72x = 313,538,505.35 × 63,474,018.66
  4. Step 4: Simplify right side
    209,039,177.72x = 19,901,548,938,897,040
  5. Step 5: Solve for x
    x = 19,901,548,938,897,040/209,039,177.72
  6. Step 6: Final answer
    x = 95,204,875.74

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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.