Home / 86,445,375.58-129,677,144.43-28,157,595.55

Finding the Fourth Proportional to 86,445,375.58, 129,677,144.43 and 28,157,595.55

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Solution

The fourth proportional to 86,445,375.58, 129,677,144.43 and 28,157,595.55 is: 42,239,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,445,375.58 : 129,677,144.43 = 28,157,595.55 : x
  2. Step 2: Convert to fraction form
    86,445,375.58/129,677,144.43 = 28,157,595.55/x
  3. Step 3: Cross multiply
    86,445,375.58x = 129,677,144.43 × 28,157,595.55
  4. Step 4: Simplify right side
    86,445,375.58x = 3,651,396,584,938,875.50
  5. Step 5: Solve for x
    x = 3,651,396,584,938,875.50/86,445,375.58
  6. Step 6: Final answer
    x = 42,239,351.27

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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.