Home / 87,173,211.48-120,299,026.14-50,525,040.12

Finding the Fourth Proportional to 87,173,211.48, 120,299,026.14 and 50,525,040.12

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Solution

The fourth proportional to 87,173,211.48, 120,299,026.14 and 50,525,040.12 is: 69,724,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,173,211.48 : 120,299,026.14 = 50,525,040.12 : x
  2. Step 2: Convert to fraction form
    87,173,211.48/120,299,026.14 = 50,525,040.12/x
  3. Step 3: Cross multiply
    87,173,211.48x = 120,299,026.14 × 50,525,040.12
  4. Step 4: Simplify right side
    87,173,211.48x = 6,078,113,122,120,428
  5. Step 5: Solve for x
    x = 6,078,113,122,120,428/87,173,211.48
  6. Step 6: Final answer
    x = 69,724,552.06

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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.