Home / 104,976,120.40-157,464,180.60-72,664,507.60

Finding the Fourth Proportional to 104,976,120.40, 157,464,180.60 and 72,664,507.60

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Solution

The fourth proportional to 104,976,120.40, 157,464,180.60 and 72,664,507.60 is: 108,996,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,120.40 : 157,464,180.60 = 72,664,507.60 : x
  2. Step 2: Convert to fraction form
    104,976,120.40/157,464,180.60 = 72,664,507.60/x
  3. Step 3: Cross multiply
    104,976,120.40x = 157,464,180.60 × 72,664,507.60
  4. Step 4: Simplify right side
    104,976,120.40x = 11,442,057,147,936,472
  5. Step 5: Solve for x
    x = 11,442,057,147,936,472/104,976,120.40
  6. Step 6: Final answer
    x = 108,996,761.40

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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.