Home / 104,976,006.60-157,464,009.90-79,109,920.20

Finding the Fourth Proportional to 104,976,006.60, 157,464,009.90 and 79,109,920.20

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Solution

The fourth proportional to 104,976,006.60, 157,464,009.90 and 79,109,920.20 is: 118,664,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,006.60 : 157,464,009.90 = 79,109,920.20 : x
  2. Step 2: Convert to fraction form
    104,976,006.60/157,464,009.90 = 79,109,920.20/x
  3. Step 3: Cross multiply
    104,976,006.60x = 157,464,009.90 × 79,109,920.20
  4. Step 4: Simplify right side
    104,976,006.60x = 12,456,965,257,561,010
  5. Step 5: Solve for x
    x = 12,456,965,257,561,010/104,976,006.60
  6. Step 6: Final answer
    x = 118,664,880.30

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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.