Home / 86,489,743.60-129,734,615.40-28,962,895.60

Finding the Fourth Proportional to 86,489,743.60, 129,734,615.40 and 28,962,895.60

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Solution

The fourth proportional to 86,489,743.60, 129,734,615.40 and 28,962,895.60 is: 43,444,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,489,743.60 : 129,734,615.40 = 28,962,895.60 : x
  2. Step 2: Convert to fraction form
    86,489,743.60/129,734,615.40 = 28,962,895.60/x
  3. Step 3: Cross multiply
    86,489,743.60x = 129,734,615.40 × 28,962,895.60
  4. Step 4: Simplify right side
    86,489,743.60x = 3,757,490,121,536,352.50
  5. Step 5: Solve for x
    x = 3,757,490,121,536,352.50/86,489,743.60
  6. Step 6: Final answer
    x = 43,444,343.40

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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.