Home / 103,665,374.20-155,498,061.30-102,153,719.80

Finding the Fourth Proportional to 103,665,374.20, 155,498,061.30 and 102,153,719.80

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Solution

The fourth proportional to 103,665,374.20, 155,498,061.30 and 102,153,719.80 is: 153,230,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,665,374.20 : 155,498,061.30 = 102,153,719.80 : x
  2. Step 2: Convert to fraction form
    103,665,374.20/155,498,061.30 = 102,153,719.80/x
  3. Step 3: Cross multiply
    103,665,374.20x = 155,498,061.30 × 102,153,719.80
  4. Step 4: Simplify right side
    103,665,374.20x = 15,884,705,383,483,424
  5. Step 5: Solve for x
    x = 15,884,705,383,483,424/103,665,374.20
  6. Step 6: Final answer
    x = 153,230,579.70

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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.