Home / 77,523,698.40-106,987,469.40-42,716,379.75

Finding the Fourth Proportional to 77,523,698.40, 106,987,469.40 and 42,716,379.75

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Solution

The fourth proportional to 77,523,698.40, 106,987,469.40 and 42,716,379.75 is: 58,951,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,523,698.40 : 106,987,469.40 = 42,716,379.75 : x
  2. Step 2: Convert to fraction form
    77,523,698.40/106,987,469.40 = 42,716,379.75/x
  3. Step 3: Cross multiply
    77,523,698.40x = 106,987,469.40 × 42,716,379.75
  4. Step 4: Simplify right side
    77,523,698.40x = 4,570,117,371,381,905
  5. Step 5: Solve for x
    x = 4,570,117,371,381,905/77,523,698.40
  6. Step 6: Final answer
    x = 58,951,229.96

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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.