Home / 129,362,964.60-194,044,446.90-52,740,982.20

Finding the Fourth Proportional to 129,362,964.60, 194,044,446.90 and 52,740,982.20

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Solution

The fourth proportional to 129,362,964.60, 194,044,446.90 and 52,740,982.20 is: 79,111,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,362,964.60 : 194,044,446.90 = 52,740,982.20 : x
  2. Step 2: Convert to fraction form
    129,362,964.60/194,044,446.90 = 52,740,982.20/x
  3. Step 3: Cross multiply
    129,362,964.60x = 194,044,446.90 × 52,740,982.20
  4. Step 4: Simplify right side
    129,362,964.60x = 10,234,094,719,961,746
  5. Step 5: Solve for x
    x = 10,234,094,719,961,746/129,362,964.60
  6. Step 6: Final answer
    x = 79,111,473.30

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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.