Home / 104,976,105.60-157,464,158.40-66,680,860.80

Finding the Fourth Proportional to 104,976,105.60, 157,464,158.40 and 66,680,860.80

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Solution

The fourth proportional to 104,976,105.60, 157,464,158.40 and 66,680,860.80 is: 100,021,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,105.60 : 157,464,158.40 = 66,680,860.80 : x
  2. Step 2: Convert to fraction form
    104,976,105.60/157,464,158.40 = 66,680,860.80/x
  3. Step 3: Cross multiply
    104,976,105.60x = 157,464,158.40 × 66,680,860.80
  4. Step 4: Simplify right side
    104,976,105.60x = 10,499,845,627,259,550
  5. Step 5: Solve for x
    x = 10,499,845,627,259,550/104,976,105.60
  6. Step 6: Final answer
    x = 100,021,291.20

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1.5x scale

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.