Home / 76,707,279.28-105,829,788.28-43,659,259.84

Finding the Fourth Proportional to 76,707,279.28, 105,829,788.28 and 43,659,259.84

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Solution

The fourth proportional to 76,707,279.28, 105,829,788.28 and 43,659,259.84 is: 60,234,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,707,279.28 : 105,829,788.28 = 43,659,259.84 : x
  2. Step 2: Convert to fraction form
    76,707,279.28/105,829,788.28 = 43,659,259.84/x
  3. Step 3: Cross multiply
    76,707,279.28x = 105,829,788.28 × 43,659,259.84
  4. Step 4: Simplify right side
    76,707,279.28x = 4,620,450,224,581,262
  5. Step 5: Solve for x
    x = 4,620,450,224,581,262/76,707,279.28
  6. Step 6: Final answer
    x = 60,234,833.88

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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.