Home / 56,214,765.45-77,403,920.42-49,206,221.21

Finding the Fourth Proportional to 56,214,765.45, 77,403,920.42 and 49,206,221.21

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Solution

The fourth proportional to 56,214,765.45, 77,403,920.42 and 49,206,221.21 is: 67,753,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,214,765.45 : 77,403,920.42 = 49,206,221.21 : x
  2. Step 2: Convert to fraction form
    56,214,765.45/77,403,920.42 = 49,206,221.21/x
  3. Step 3: Cross multiply
    56,214,765.45x = 77,403,920.42 × 49,206,221.21
  4. Step 4: Simplify right side
    56,214,765.45x = 3,808,754,431,024,281.50
  5. Step 5: Solve for x
    x = 3,808,754,431,024,281.50/56,214,765.45
  6. Step 6: Final answer
    x = 67,753,630.22

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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.