Home / 87,312,205.80-130,945,968.90-25,887,001.14

Finding the Fourth Proportional to 87,312,205.80, 130,945,968.90 and 25,887,001.14

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Solution

The fourth proportional to 87,312,205.80, 130,945,968.90 and 25,887,001.14 is: 38,823,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,312,205.80 : 130,945,968.90 = 25,887,001.14 : x
  2. Step 2: Convert to fraction form
    87,312,205.80/130,945,968.90 = 25,887,001.14/x
  3. Step 3: Cross multiply
    87,312,205.80x = 130,945,968.90 × 25,887,001.14
  4. Step 4: Simplify right side
    87,312,205.80x = 3,389,798,446,192,705
  5. Step 5: Solve for x
    x = 3,389,798,446,192,705/87,312,205.80
  6. Step 6: Final answer
    x = 38,823,878.23

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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.