Home / 77,643,651.60-107,147,497.32-42,836,622.48

Finding the Fourth Proportional to 77,643,651.60, 107,147,497.32 and 42,836,622.48

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Solution

The fourth proportional to 77,643,651.60, 107,147,497.32 and 42,836,622.48 is: 59,114,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,643,651.60 : 107,147,497.32 = 42,836,622.48 : x
  2. Step 2: Convert to fraction form
    77,643,651.60/107,147,497.32 = 42,836,622.48/x
  3. Step 3: Cross multiply
    77,643,651.60x = 107,147,497.32 × 42,836,622.48
  4. Step 4: Simplify right side
    77,643,651.60x = 4,589,836,892,373,651
  5. Step 5: Solve for x
    x = 4,589,836,892,373,651/77,643,651.60
  6. Step 6: Final answer
    x = 59,114,129.72

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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.