Home / 86,490,147.60-129,735,221.40-28,963,299.60

Finding the Fourth Proportional to 86,490,147.60, 129,735,221.40 and 28,963,299.60

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Solution

The fourth proportional to 86,490,147.60, 129,735,221.40 and 28,963,299.60 is: 43,444,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,490,147.60 : 129,735,221.40 = 28,963,299.60 : x
  2. Step 2: Convert to fraction form
    86,490,147.60/129,735,221.40 = 28,963,299.60/x
  3. Step 3: Cross multiply
    86,490,147.60x = 129,735,221.40 × 28,963,299.60
  4. Step 4: Simplify right side
    86,490,147.60x = 3,757,560,086,080,532
  5. Step 5: Solve for x
    x = 3,757,560,086,080,532/86,490,147.60
  6. Step 6: Final answer
    x = 43,444,949.40

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Similar ratio
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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.