Home / 87,603,910.16-120,856,881.26-50,425,294.30

Finding the Fourth Proportional to 87,603,910.16, 120,856,881.26 and 50,425,294.30

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Solution

The fourth proportional to 87,603,910.16, 120,856,881.26 and 50,425,294.30 is: 69,565,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,603,910.16 : 120,856,881.26 = 50,425,294.30 : x
  2. Step 2: Convert to fraction form
    87,603,910.16/120,856,881.26 = 50,425,294.30/x
  3. Step 3: Cross multiply
    87,603,910.16x = 120,856,881.26 × 50,425,294.30
  4. Step 4: Simplify right side
    87,603,910.16x = 6,094,243,805,539,576
  5. Step 5: Solve for x
    x = 6,094,243,805,539,576/87,603,910.16
  6. Step 6: Final answer
    x = 69,565,888.04

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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.