Home / 72,702,639.46-100,329,166.32-41,340,690.76

Finding the Fourth Proportional to 72,702,639.46, 100,329,166.32 and 41,340,690.76

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Solution

The fourth proportional to 72,702,639.46, 100,329,166.32 and 41,340,690.76 is: 57,049,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,702,639.46 : 100,329,166.32 = 41,340,690.76 : x
  2. Step 2: Convert to fraction form
    72,702,639.46/100,329,166.32 = 41,340,690.76/x
  3. Step 3: Cross multiply
    72,702,639.46x = 100,329,166.32 × 41,340,690.76
  4. Step 4: Simplify right side
    72,702,639.46x = 4,147,677,039,043,726.50
  5. Step 5: Solve for x
    x = 4,147,677,039,043,726.50/72,702,639.46
  6. Step 6: Final answer
    x = 57,049,882.51

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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.