Home / 56,770,652.55-78,343,488.41-30,665,170.65

Finding the Fourth Proportional to 56,770,652.55, 78,343,488.41 and 30,665,170.65

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Solution

The fourth proportional to 56,770,652.55, 78,343,488.41 and 30,665,170.65 is: 42,317,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770,652.55 : 78,343,488.41 = 30,665,170.65 : x
  2. Step 2: Convert to fraction form
    56,770,652.55/78,343,488.41 = 30,665,170.65/x
  3. Step 3: Cross multiply
    56,770,652.55x = 78,343,488.41 × 30,665,170.65
  4. Step 4: Simplify right side
    56,770,652.55x = 2,402,416,441,721,870
  5. Step 5: Solve for x
    x = 2,402,416,441,721,870/56,770,652.55
  6. Step 6: Final answer
    x = 42,317,928.96

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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.