Home / 65,609,982.80-98,414,974.20-20,165,872.40

Finding the Fourth Proportional to 65,609,982.80, 98,414,974.20 and 20,165,872.40

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Solution

The fourth proportional to 65,609,982.80, 98,414,974.20 and 20,165,872.40 is: 30,248,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,609,982.80 : 98,414,974.20 = 20,165,872.40 : x
  2. Step 2: Convert to fraction form
    65,609,982.80/98,414,974.20 = 20,165,872.40/x
  3. Step 3: Cross multiply
    65,609,982.80x = 98,414,974.20 × 20,165,872.40
  4. Step 4: Simplify right side
    65,609,982.80x = 1,984,623,811,966,492
  5. Step 5: Solve for x
    x = 1,984,623,811,966,492/65,609,982.80
  6. Step 6: Final answer
    x = 30,248,808.60

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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.