Home / 71,008,083.80-106,512,125.70-58,243,002.20

Finding the Fourth Proportional to 71,008,083.80, 106,512,125.70 and 58,243,002.20

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Solution

The fourth proportional to 71,008,083.80, 106,512,125.70 and 58,243,002.20 is: 87,364,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008,083.80 : 106,512,125.70 = 58,243,002.20 : x
  2. Step 2: Convert to fraction form
    71,008,083.80/106,512,125.70 = 58,243,002.20/x
  3. Step 3: Cross multiply
    71,008,083.80x = 106,512,125.70 × 58,243,002.20
  4. Step 4: Simplify right side
    71,008,083.80x = 6,203,585,971,471,777
  5. Step 5: Solve for x
    x = 6,203,585,971,471,777/71,008,083.80
  6. Step 6: Final answer
    x = 87,364,503.30

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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.