Home / 65,502,001.80-98,253,002.70-20,057,891.40

Finding the Fourth Proportional to 65,502,001.80, 98,253,002.70 and 20,057,891.40

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Solution

The fourth proportional to 65,502,001.80, 98,253,002.70 and 20,057,891.40 is: 30,086,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,502,001.80 : 98,253,002.70 = 20,057,891.40 : x
  2. Step 2: Convert to fraction form
    65,502,001.80/98,253,002.70 = 20,057,891.40/x
  3. Step 3: Cross multiply
    65,502,001.80x = 98,253,002.70 × 20,057,891.40
  4. Step 4: Simplify right side
    65,502,001.80x = 1,970,748,057,880,506.75
  5. Step 5: Solve for x
    x = 1,970,748,057,880,506.75/65,502,001.80
  6. Step 6: Final answer
    x = 30,086,837.10

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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.