Home / 72,658,687.84-108,880,402.20-59,796,182.68

Finding the Fourth Proportional to 72,658,687.84, 108,880,402.20 and 59,796,182.68

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Solution

The fourth proportional to 72,658,687.84, 108,880,402.20 and 59,796,182.68 is: 89,605,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,658,687.84 : 108,880,402.20 = 59,796,182.68 : x
  2. Step 2: Convert to fraction form
    72,658,687.84/108,880,402.20 = 59,796,182.68/x
  3. Step 3: Cross multiply
    72,658,687.84x = 108,880,402.20 × 59,796,182.68
  4. Step 4: Simplify right side
    72,658,687.84x = 6,510,632,420,223,074
  5. Step 5: Solve for x
    x = 6,510,632,420,223,074/72,658,687.84
  6. Step 6: Final answer
    x = 89,605,697.73

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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.