Home / 104,976,121.60-157,464,182.40-66,680,876.80

Finding the Fourth Proportional to 104,976,121.60, 157,464,182.40 and 66,680,876.80

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Solution

The fourth proportional to 104,976,121.60, 157,464,182.40 and 66,680,876.80 is: 100,021,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,121.60 : 157,464,182.40 = 66,680,876.80 : x
  2. Step 2: Convert to fraction form
    104,976,121.60/157,464,182.40 = 66,680,876.80/x
  3. Step 3: Cross multiply
    104,976,121.60x = 157,464,182.40 × 66,680,876.80
  4. Step 4: Simplify right side
    104,976,121.60x = 10,499,849,747,027,128
  5. Step 5: Solve for x
    x = 10,499,849,747,027,128/104,976,121.60
  6. Step 6: Final answer
    x = 100,021,315.20

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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.