Home / 76,375,718.68-105,400,729.92-41,570,663.44

Finding the Fourth Proportional to 76,375,718.68, 105,400,729.92 and 41,570,663.44

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Solution

The fourth proportional to 76,375,718.68, 105,400,729.92 and 41,570,663.44 is: 57,368,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,375,718.68 : 105,400,729.92 = 41,570,663.44 : x
  2. Step 2: Convert to fraction form
    76,375,718.68/105,400,729.92 = 41,570,663.44/x
  3. Step 3: Cross multiply
    76,375,718.68x = 105,400,729.92 × 41,570,663.44
  4. Step 4: Simplify right side
    76,375,718.68x = 4,381,578,269,834,658
  5. Step 5: Solve for x
    x = 4,381,578,269,834,658/76,375,718.68
  6. Step 6: Final answer
    x = 57,368,733.75

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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.