Home / 99,205,145.66-148,852,890.99-50,658,010.31

Finding the Fourth Proportional to 99,205,145.66, 148,852,890.99 and 50,658,010.31

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Solution

The fourth proportional to 99,205,145.66, 148,852,890.99 and 50,658,010.31 is: 76,010,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,205,145.66 : 148,852,890.99 = 50,658,010.31 : x
  2. Step 2: Convert to fraction form
    99,205,145.66/148,852,890.99 = 50,658,010.31/x
  3. Step 3: Cross multiply
    99,205,145.66x = 148,852,890.99 × 50,658,010.31
  4. Step 4: Simplify right side
    99,205,145.66x = 7,540,591,286,816,859
  5. Step 5: Solve for x
    x = 7,540,591,286,816,859/99,205,145.66
  6. Step 6: Final answer
    x = 76,010,082.30

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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.