Home / 104,958,490.60-157,437,735.90-78,084,634.60

Finding the Fourth Proportional to 104,958,490.60, 157,437,735.90 and 78,084,634.60

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Solution

The fourth proportional to 104,958,490.60, 157,437,735.90 and 78,084,634.60 is: 117,126,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,958,490.60 : 157,437,735.90 = 78,084,634.60 : x
  2. Step 2: Convert to fraction form
    104,958,490.60/157,437,735.90 = 78,084,634.60/x
  3. Step 3: Cross multiply
    104,958,490.60x = 157,437,735.90 × 78,084,634.60
  4. Step 4: Simplify right side
    104,958,490.60x = 12,293,468,080,002,802
  5. Step 5: Solve for x
    x = 12,293,468,080,002,802/104,958,490.60
  6. Step 6: Final answer
    x = 117,126,951.90

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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.