Home / 76,948,161.60-106,194,539.52-43,900,821.12

Finding the Fourth Proportional to 76,948,161.60, 106,194,539.52 and 43,900,821.12

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Solution

The fourth proportional to 76,948,161.60, 106,194,539.52 and 43,900,821.12 is: 60,586,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,948,161.60 : 106,194,539.52 = 43,900,821.12 : x
  2. Step 2: Convert to fraction form
    76,948,161.60/106,194,539.52 = 43,900,821.12/x
  3. Step 3: Cross multiply
    76,948,161.60x = 106,194,539.52 × 43,900,821.12
  4. Step 4: Simplify right side
    76,948,161.60x = 4,662,027,483,388,290
  5. Step 5: Solve for x
    x = 4,662,027,483,388,290/76,948,161.60
  6. Step 6: Final answer
    x = 60,586,599.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.