Home / 124,458,906.30-186,688,359.45-112,129,475.10

Finding the Fourth Proportional to 124,458,906.30, 186,688,359.45 and 112,129,475.10

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Solution

The fourth proportional to 124,458,906.30, 186,688,359.45 and 112,129,475.10 is: 168,194,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,458,906.30 : 186,688,359.45 = 112,129,475.10 : x
  2. Step 2: Convert to fraction form
    124,458,906.30/186,688,359.45 = 112,129,475.10/x
  3. Step 3: Cross multiply
    124,458,906.30x = 186,688,359.45 × 112,129,475.10
  4. Step 4: Simplify right side
    124,458,906.30x = 20,933,267,752,408,624
  5. Step 5: Solve for x
    x = 20,933,267,752,408,624/124,458,906.30
  6. Step 6: Final answer
    x = 168,194,212.65

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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.