Home / 87,525,673.32-120,785,805.78-47,834,018.09

Finding the Fourth Proportional to 87,525,673.32, 120,785,805.78 and 47,834,018.09

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Solution

The fourth proportional to 87,525,673.32, 120,785,805.78 and 47,834,018.09 is: 66,011,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525,673.32 : 120,785,805.78 = 47,834,018.09 : x
  2. Step 2: Convert to fraction form
    87,525,673.32/120,785,805.78 = 47,834,018.09/x
  3. Step 3: Cross multiply
    87,525,673.32x = 120,785,805.78 × 47,834,018.09
  4. Step 4: Simplify right side
    87,525,673.32x = 5,777,670,418,695,747
  5. Step 5: Solve for x
    x = 5,777,670,418,695,747/87,525,673.32
  6. Step 6: Final answer
    x = 66,011,150.78

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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.