Home / 99,654,371.70-149,481,557.55-89,610,136.80

Finding the Fourth Proportional to 99,654,371.70, 149,481,557.55 and 89,610,136.80

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Solution

The fourth proportional to 99,654,371.70, 149,481,557.55 and 89,610,136.80 is: 134,415,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,654,371.70 : 149,481,557.55 = 89,610,136.80 : x
  2. Step 2: Convert to fraction form
    99,654,371.70/149,481,557.55 = 89,610,136.80/x
  3. Step 3: Cross multiply
    99,654,371.70x = 149,481,557.55 × 89,610,136.80
  4. Step 4: Simplify right side
    99,654,371.70x = 13,395,062,821,132,574
  5. Step 5: Solve for x
    x = 13,395,062,821,132,574/99,654,371.70
  6. Step 6: Final answer
    x = 134,415,205.20

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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.