Home / 98,668,215.92-147,951,327.72-43,313,394.80

Finding the Fourth Proportional to 98,668,215.92, 147,951,327.72 and 43,313,394.80

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Solution

The fourth proportional to 98,668,215.92, 147,951,327.72 and 43,313,394.80 is: 64,947,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,668,215.92 : 147,951,327.72 = 43,313,394.80 : x
  2. Step 2: Convert to fraction form
    98,668,215.92/147,951,327.72 = 43,313,394.80/x
  3. Step 3: Cross multiply
    98,668,215.92x = 147,951,327.72 × 43,313,394.80
  4. Step 4: Simplify right side
    98,668,215.92x = 6,408,274,268,720,543
  5. Step 5: Solve for x
    x = 6,408,274,268,720,543/98,668,215.92
  6. Step 6: Final answer
    x = 64,947,705.89

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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.