Home / 77,400,835.40-115,989,278.70-34,234,704.20

Finding the Fourth Proportional to 77,400,835.40, 115,989,278.70 and 34,234,704.20

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Solution

The fourth proportional to 77,400,835.40, 115,989,278.70 and 34,234,704.20 is: 51,302,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,400,835.40 : 115,989,278.70 = 34,234,704.20 : x
  2. Step 2: Convert to fraction form
    77,400,835.40/115,989,278.70 = 34,234,704.20/x
  3. Step 3: Cross multiply
    77,400,835.40x = 115,989,278.70 × 34,234,704.20
  4. Step 4: Simplify right side
    77,400,835.40x = 3,970,858,646,665,861
  5. Step 5: Solve for x
    x = 3,970,858,646,665,861/77,400,835.40
  6. Step 6: Final answer
    x = 51,302,529.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.