Home / 68,971,875.86-95,145,568.68-42,856,471.46

Finding the Fourth Proportional to 68,971,875.86, 95,145,568.68 and 42,856,471.46

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Solution

The fourth proportional to 68,971,875.86, 95,145,568.68 and 42,856,471.46 is: 59,119,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,971,875.86 : 95,145,568.68 = 42,856,471.46 : x
  2. Step 2: Convert to fraction form
    68,971,875.86/95,145,568.68 = 42,856,471.46/x
  3. Step 3: Cross multiply
    68,971,875.86x = 95,145,568.68 × 42,856,471.46
  4. Step 4: Simplify right side
    68,971,875.86x = 4,077,603,348,679,890.50
  5. Step 5: Solve for x
    x = 4,077,603,348,679,890.50/68,971,875.86
  6. Step 6: Final answer
    x = 59,119,797.71

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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.