Home / 119,915,689.20-179,763,313.32-43,219,947.12

Finding the Fourth Proportional to 119,915,689.20, 179,763,313.32 and 43,219,947.12

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Solution

The fourth proportional to 119,915,689.20, 179,763,313.32 and 43,219,947.12 is: 64,790,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,915,689.20 : 179,763,313.32 = 43,219,947.12 : x
  2. Step 2: Convert to fraction form
    119,915,689.20/179,763,313.32 = 43,219,947.12/x
  3. Step 3: Cross multiply
    119,915,689.20x = 179,763,313.32 × 43,219,947.12
  4. Step 4: Simplify right side
    119,915,689.20x = 7,769,360,895,806,391
  5. Step 5: Solve for x
    x = 7,769,360,895,806,391/119,915,689.20
  6. Step 6: Final answer
    x = 64,790,195.07

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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.