Home / 107,683,491.20-161,548,856.40-53,122,215.20

Finding the Fourth Proportional to 107,683,491.20, 161,548,856.40 and 53,122,215.20

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Solution

The fourth proportional to 107,683,491.20, 161,548,856.40 and 53,122,215.20 is: 79,694,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,683,491.20 : 161,548,856.40 = 53,122,215.20 : x
  2. Step 2: Convert to fraction form
    107,683,491.20/161,548,856.40 = 53,122,215.20/x
  3. Step 3: Cross multiply
    107,683,491.20x = 161,548,856.40 × 53,122,215.20
  4. Step 4: Simplify right side
    107,683,491.20x = 8,581,833,114,994,698
  5. Step 5: Solve for x
    x = 8,581,833,114,994,698/107,683,491.20
  6. Step 6: Final answer
    x = 79,694,974.78

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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.