Home / 79,719,308.40-119,578,964.14-19,135,034.40

Finding the Fourth Proportional to 79,719,308.40, 119,578,964.14 and 19,135,034.40

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Solution

The fourth proportional to 79,719,308.40, 119,578,964.14 and 19,135,034.40 is: 28,702,551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,308.40 : 119,578,964.14 = 19,135,034.40 : x
  2. Step 2: Convert to fraction form
    79,719,308.40/119,578,964.14 = 19,135,034.40/x
  3. Step 3: Cross multiply
    79,719,308.40x = 119,578,964.14 × 19,135,034.40
  4. Step 4: Simplify right side
    79,719,308.40x = 2,288,147,592,807,606
  5. Step 5: Solve for x
    x = 2,288,147,592,807,606/79,719,308.40
  6. Step 6: Final answer
    x = 28,702,551.97

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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.