Home / 121,384,856.22-167,510,762.82-65,629,886.46

Finding the Fourth Proportional to 121,384,856.22, 167,510,762.82 and 65,629,886.46

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Solution

The fourth proportional to 121,384,856.22, 167,510,762.82 and 65,629,886.46 is: 90,569,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,384,856.22 : 167,510,762.82 = 65,629,886.46 : x
  2. Step 2: Convert to fraction form
    121,384,856.22/167,510,762.82 = 65,629,886.46/x
  3. Step 3: Cross multiply
    121,384,856.22x = 167,510,762.82 × 65,629,886.46
  4. Step 4: Simplify right side
    121,384,856.22x = 10,993,712,344,704,590
  5. Step 5: Solve for x
    x = 10,993,712,344,704,590/121,384,856.22
  6. Step 6: Final answer
    x = 90,569,060.15

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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.