Home / 86,154,143.58-129,232,339.94-28,646,414.73

Finding the Fourth Proportional to 86,154,143.58, 129,232,339.94 and 28,646,414.73

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Solution

The fourth proportional to 86,154,143.58, 129,232,339.94 and 28,646,414.73 is: 42,969,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,154,143.58 : 129,232,339.94 = 28,646,414.73 : x
  2. Step 2: Convert to fraction form
    86,154,143.58/129,232,339.94 = 28,646,414.73/x
  3. Step 3: Cross multiply
    86,154,143.58x = 129,232,339.94 × 28,646,414.73
  4. Step 4: Simplify right side
    86,154,143.58x = 3,702,043,206,521,199.50
  5. Step 5: Solve for x
    x = 3,702,043,206,521,199.50/86,154,143.58
  6. Step 6: Final answer
    x = 42,969,996.02

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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.