Home / 104,976,008.60-157,464,012.90-72,618,906.20

Finding the Fourth Proportional to 104,976,008.60, 157,464,012.90 and 72,618,906.20

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Solution

The fourth proportional to 104,976,008.60, 157,464,012.90 and 72,618,906.20 is: 108,928,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,008.60 : 157,464,012.90 = 72,618,906.20 : x
  2. Step 2: Convert to fraction form
    104,976,008.60/157,464,012.90 = 72,618,906.20/x
  3. Step 3: Cross multiply
    104,976,008.60x = 157,464,012.90 × 72,618,906.20
  4. Step 4: Simplify right side
    104,976,008.60x = 11,434,864,382,660,690
  5. Step 5: Solve for x
    x = 11,434,864,382,660,690/104,976,008.60
  6. Step 6: Final answer
    x = 108,928,359.30

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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.