Home / 75,853,776.34-113,780,719.86-18,346,102.86

Finding the Fourth Proportional to 75,853,776.34, 113,780,719.86 and 18,346,102.86

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Solution

The fourth proportional to 75,853,776.34, 113,780,719.86 and 18,346,102.86 is: 27,519,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,853,776.34 : 113,780,719.86 = 18,346,102.86 : x
  2. Step 2: Convert to fraction form
    75,853,776.34/113,780,719.86 = 18,346,102.86/x
  3. Step 3: Cross multiply
    75,853,776.34x = 113,780,719.86 × 18,346,102.86
  4. Step 4: Simplify right side
    75,853,776.34x = 2,087,432,790,036,404.75
  5. Step 5: Solve for x
    x = 2,087,432,790,036,404.75/75,853,776.34
  6. Step 6: Final answer
    x = 27,519,167.68

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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.