Home / 86,489,741.60-129,734,612.40-28,962,893.60

Finding the Fourth Proportional to 86,489,741.60, 129,734,612.40 and 28,962,893.60

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Solution

The fourth proportional to 86,489,741.60, 129,734,612.40 and 28,962,893.60 is: 43,444,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,489,741.60 : 129,734,612.40 = 28,962,893.60 : x
  2. Step 2: Convert to fraction form
    86,489,741.60/129,734,612.40 = 28,962,893.60/x
  3. Step 3: Cross multiply
    86,489,741.60x = 129,734,612.40 × 28,962,893.60
  4. Step 4: Simplify right side
    86,489,741.60x = 3,757,489,775,178,441
  5. Step 5: Solve for x
    x = 3,757,489,775,178,441/86,489,741.60
  6. Step 6: Final answer
    x = 43,444,340.40

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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.