Home / 106,471,892.20-159,707,838.30-68,208,140.20

Finding the Fourth Proportional to 106,471,892.20, 159,707,838.30 and 68,208,140.20

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Solution

The fourth proportional to 106,471,892.20, 159,707,838.30 and 68,208,140.20 is: 102,312,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,471,892.20 : 159,707,838.30 = 68,208,140.20 : x
  2. Step 2: Convert to fraction form
    106,471,892.20/159,707,838.30 = 68,208,140.20/x
  3. Step 3: Cross multiply
    106,471,892.20x = 159,707,838.30 × 68,208,140.20
  4. Step 4: Simplify right side
    106,471,892.20x = 10,893,374,625,805,330
  5. Step 5: Solve for x
    x = 10,893,374,625,805,330/106,471,892.20
  6. Step 6: Final answer
    x = 102,312,210.30

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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.