Home / 79,719,305.04-119,578,959.11-19,135,031.04

Finding the Fourth Proportional to 79,719,305.04, 119,578,959.11 and 19,135,031.04

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Solution

The fourth proportional to 79,719,305.04, 119,578,959.11 and 19,135,031.04 is: 28,702,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,305.04 : 119,578,959.11 = 19,135,031.04 : x
  2. Step 2: Convert to fraction form
    79,719,305.04/119,578,959.11 = 19,135,031.04/x
  3. Step 3: Cross multiply
    79,719,305.04x = 119,578,959.11 × 19,135,031.04
  4. Step 4: Simplify right side
    79,719,305.04x = 2,288,147,094,300,740.50
  5. Step 5: Solve for x
    x = 2,288,147,094,300,740.50/79,719,305.04
  6. Step 6: Final answer
    x = 28,702,546.93

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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.