Home / 56,853,793.28-78,458,234.84-30,748,311.11

Finding the Fourth Proportional to 56,853,793.28, 78,458,234.84 and 30,748,311.11

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Solution

The fourth proportional to 56,853,793.28, 78,458,234.84 and 30,748,311.11 is: 42,432,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,853,793.28 : 78,458,234.84 = 30,748,311.11 : x
  2. Step 2: Convert to fraction form
    56,853,793.28/78,458,234.84 = 30,748,311.11/x
  3. Step 3: Cross multiply
    56,853,793.28x = 78,458,234.84 × 30,748,311.11
  4. Step 4: Simplify right side
    56,853,793.28x = 2,412,458,213,455,728
  5. Step 5: Solve for x
    x = 2,412,458,213,455,728/56,853,793.28
  6. Step 6: Final answer
    x = 42,432,669.39

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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.