Home / 247,172,267.60-370,758,401.40-138,333,150.80

Finding the Fourth Proportional to 247,172,267.60, 370,758,401.40 and 138,333,150.80

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Solution

The fourth proportional to 247,172,267.60, 370,758,401.40 and 138,333,150.80 is: 207,499,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,172,267.60 : 370,758,401.40 = 138,333,150.80 : x
  2. Step 2: Convert to fraction form
    247,172,267.60/370,758,401.40 = 138,333,150.80/x
  3. Step 3: Cross multiply
    247,172,267.60x = 370,758,401.40 × 138,333,150.80
  4. Step 4: Simplify right side
    247,172,267.60x = 51,288,177,851,233,136
  5. Step 5: Solve for x
    x = 51,288,177,851,233,136/247,172,267.60
  6. Step 6: Final answer
    x = 207,499,726.20

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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.