Home / 99,839,718.42-149,775,670.08-30,752,489.86

Finding the Fourth Proportional to 99,839,718.42, 149,775,670.08 and 30,752,489.86

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Solution

The fourth proportional to 99,839,718.42, 149,775,670.08 and 30,752,489.86 is: 46,133,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,839,718.42 : 149,775,670.08 = 30,752,489.86 : x
  2. Step 2: Convert to fraction form
    99,839,718.42/149,775,670.08 = 30,752,489.86/x
  3. Step 3: Cross multiply
    99,839,718.42x = 149,775,670.08 × 30,752,489.86
  4. Step 4: Simplify right side
    99,839,718.42x = 4,605,974,775,409,906
  5. Step 5: Solve for x
    x = 4,605,974,775,409,906/99,839,718.42
  6. Step 6: Final answer
    x = 46,133,691.56

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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.