Home / 87,320,320.40-130,986,701.40-26,735,949.20

Finding the Fourth Proportional to 87,320,320.40, 130,986,701.40 and 26,735,949.20

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Solution

The fourth proportional to 87,320,320.40, 130,986,701.40 and 26,735,949.20 is: 40,105,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,320,320.40 : 130,986,701.40 = 26,735,949.20 : x
  2. Step 2: Convert to fraction form
    87,320,320.40/130,986,701.40 = 26,735,949.20/x
  3. Step 3: Cross multiply
    87,320,320.40x = 130,986,701.40 × 26,735,949.20
  4. Step 4: Simplify right side
    87,320,320.40x = 3,502,053,794,505,969
  5. Step 5: Solve for x
    x = 3,502,053,794,505,969/87,320,320.40
  6. Step 6: Final answer
    x = 40,105,828.50

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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.