Home / 86,489,742.60-129,734,613.90-28,962,894.60

Finding the Fourth Proportional to 86,489,742.60, 129,734,613.90 and 28,962,894.60

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Solution

The fourth proportional to 86,489,742.60, 129,734,613.90 and 28,962,894.60 is: 43,444,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,489,742.60 : 129,734,613.90 = 28,962,894.60 : x
  2. Step 2: Convert to fraction form
    86,489,742.60/129,734,613.90 = 28,962,894.60/x
  3. Step 3: Cross multiply
    86,489,742.60x = 129,734,613.90 × 28,962,894.60
  4. Step 4: Simplify right side
    86,489,742.60x = 3,757,489,948,357,395.50
  5. Step 5: Solve for x
    x = 3,757,489,948,357,395.50/86,489,742.60
  6. Step 6: Final answer
    x = 43,444,341.90

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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.