Home / 77,996,197.20-107,633,433.86-43,188,140.32

Finding the Fourth Proportional to 77,996,197.20, 107,633,433.86 and 43,188,140.32

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Solution

The fourth proportional to 77,996,197.20, 107,633,433.86 and 43,188,140.32 is: 59,598,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996,197.20 : 107,633,433.86 = 43,188,140.32 : x
  2. Step 2: Convert to fraction form
    77,996,197.20/107,633,433.86 = 43,188,140.32/x
  3. Step 3: Cross multiply
    77,996,197.20x = 107,633,433.86 × 43,188,140.32
  4. Step 4: Simplify right side
    77,996,197.20x = 4,648,487,844,669,119
  5. Step 5: Solve for x
    x = 4,648,487,844,669,119/77,996,197.20
  6. Step 6: Final answer
    x = 59,598,903.68

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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.