Home / 124,253,998.80-186,380,998.20-105,122,122.80

Finding the Fourth Proportional to 124,253,998.80, 186,380,998.20 and 105,122,122.80

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Solution

The fourth proportional to 124,253,998.80, 186,380,998.20 and 105,122,122.80 is: 157,683,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,253,998.80 : 186,380,998.20 = 105,122,122.80 : x
  2. Step 2: Convert to fraction form
    124,253,998.80/186,380,998.20 = 105,122,122.80/x
  3. Step 3: Cross multiply
    124,253,998.80x = 186,380,998.20 × 105,122,122.80
  4. Step 4: Simplify right side
    124,253,998.80x = 19,592,766,180,366,976
  5. Step 5: Solve for x
    x = 19,592,766,180,366,976/124,253,998.80
  6. Step 6: Final answer
    x = 157,683,184.20

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1.5x scale

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.