Home / 147,444,811.60-220,885,207.80-79,264,843.60

Finding the Fourth Proportional to 147,444,811.60, 220,885,207.80 and 79,264,843.60

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Solution

The fourth proportional to 147,444,811.60, 220,885,207.80 and 79,264,843.60 is: 118,745,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,444,811.60 : 220,885,207.80 = 79,264,843.60 : x
  2. Step 2: Convert to fraction form
    147,444,811.60/220,885,207.80 = 79,264,843.60/x
  3. Step 3: Cross multiply
    147,444,811.60x = 220,885,207.80 × 79,264,843.60
  4. Step 4: Simplify right side
    147,444,811.60x = 17,508,431,449,820,500
  5. Step 5: Solve for x
    x = 17,508,431,449,820,500/147,444,811.60
  6. Step 6: Final answer
    x = 118,745,659.88

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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.