Home / 71,215,027.77-106,807,594.68-20,085,089.16

Finding the Fourth Proportional to 71,215,027.77, 106,807,594.68 and 20,085,089.16

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Solution

The fourth proportional to 71,215,027.77, 106,807,594.68 and 20,085,089.16 is: 30,123,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,215,027.77 : 106,807,594.68 = 20,085,089.16 : x
  2. Step 2: Convert to fraction form
    71,215,027.77/106,807,594.68 = 20,085,089.16/x
  3. Step 3: Cross multiply
    71,215,027.77x = 106,807,594.68 × 20,085,089.16
  4. Step 4: Simplify right side
    71,215,027.77x = 2,145,240,062,112,941.75
  5. Step 5: Solve for x
    x = 2,145,240,062,112,941.75/71,215,027.77
  6. Step 6: Final answer
    x = 30,123,418.18

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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.