Home / 67,649,648.11-101,441,404.59-47,189,169.61

Finding the Fourth Proportional to 67,649,648.11, 101,441,404.59 and 47,189,169.61

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Solution

The fourth proportional to 67,649,648.11, 101,441,404.59 and 47,189,169.61 is: 70,760,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,649,648.11 : 101,441,404.59 = 47,189,169.61 : x
  2. Step 2: Convert to fraction form
    67,649,648.11/101,441,404.59 = 47,189,169.61/x
  3. Step 3: Cross multiply
    67,649,648.11x = 101,441,404.59 × 47,189,169.61
  4. Step 4: Simplify right side
    67,649,648.11x = 4,786,935,646,674,143
  5. Step 5: Solve for x
    x = 4,786,935,646,674,143/67,649,648.11
  6. Step 6: Final answer
    x = 70,760,688.05

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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.