Home / 72,512,994.93-108,696,765.15-33,678,719.30

Finding the Fourth Proportional to 72,512,994.93, 108,696,765.15 and 33,678,719.30

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Solution

The fourth proportional to 72,512,994.93, 108,696,765.15 and 33,678,719.30 is: 50,484,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512,994.93 : 108,696,765.15 = 33,678,719.30 : x
  2. Step 2: Convert to fraction form
    72,512,994.93/108,696,765.15 = 33,678,719.30/x
  3. Step 3: Cross multiply
    72,512,994.93x = 108,696,765.15 × 33,678,719.30
  4. Step 4: Simplify right side
    72,512,994.93x = 3,660,767,842,304,872.50
  5. Step 5: Solve for x
    x = 3,660,767,842,304,872.50/72,512,994.93
  6. Step 6: Final answer
    x = 50,484,300.72

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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.