Home / 104,976,281.60-157,464,422.40-72,619,179.20

Finding the Fourth Proportional to 104,976,281.60, 157,464,422.40 and 72,619,179.20

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Solution

The fourth proportional to 104,976,281.60, 157,464,422.40 and 72,619,179.20 is: 108,928,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,281.60 : 157,464,422.40 = 72,619,179.20 : x
  2. Step 2: Convert to fraction form
    104,976,281.60/157,464,422.40 = 72,619,179.20/x
  3. Step 3: Cross multiply
    104,976,281.60x = 157,464,422.40 × 72,619,179.20
  4. Step 4: Simplify right side
    104,976,281.60x = 11,434,937,107,890,094
  5. Step 5: Solve for x
    x = 11,434,937,107,890,094/104,976,281.60
  6. Step 6: Final answer
    x = 108,928,768.80

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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.