Home / 77,327,879.28-106,709,604.84-42,518,498.64

Finding the Fourth Proportional to 77,327,879.28, 106,709,604.84 and 42,518,498.64

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Solution

The fourth proportional to 77,327,879.28, 106,709,604.84 and 42,518,498.64 is: 58,673,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327,879.28 : 106,709,604.84 = 42,518,498.64 : x
  2. Step 2: Convert to fraction form
    77,327,879.28/106,709,604.84 = 42,518,498.64/x
  3. Step 3: Cross multiply
    77,327,879.28x = 106,709,604.84 × 42,518,498.64
  4. Step 4: Simplify right side
    77,327,879.28x = 4,537,132,188,264,478
  5. Step 5: Solve for x
    x = 4,537,132,188,264,478/77,327,879.28
  6. Step 6: Final answer
    x = 58,673,950.85

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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.