Home / 69,305,881.75-95,642,872.64-38,366,567.71

Finding the Fourth Proportional to 69,305,881.75, 95,642,872.64 and 38,366,567.71

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Solution

The fourth proportional to 69,305,881.75, 95,642,872.64 and 38,366,567.71 is: 52,946,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,305,881.75 : 95,642,872.64 = 38,366,567.71 : x
  2. Step 2: Convert to fraction form
    69,305,881.75/95,642,872.64 = 38,366,567.71/x
  3. Step 3: Cross multiply
    69,305,881.75x = 95,642,872.64 × 38,366,567.71
  4. Step 4: Simplify right side
    69,305,881.75x = 3,669,488,748,834,401.50
  5. Step 5: Solve for x
    x = 3,669,488,748,834,401.50/69,305,881.75
  6. Step 6: Final answer
    x = 52,946,281.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.