Home / 100,554,520.80-150,831,781.20-39,970,246.80

Finding the Fourth Proportional to 100,554,520.80, 150,831,781.20 and 39,970,246.80

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Solution

The fourth proportional to 100,554,520.80, 150,831,781.20 and 39,970,246.80 is: 59,955,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,554,520.80 : 150,831,781.20 = 39,970,246.80 : x
  2. Step 2: Convert to fraction form
    100,554,520.80/150,831,781.20 = 39,970,246.80/x
  3. Step 3: Cross multiply
    100,554,520.80x = 150,831,781.20 × 39,970,246.80
  4. Step 4: Simplify right side
    100,554,520.80x = 6,028,783,519,847,599
  5. Step 5: Solve for x
    x = 6,028,783,519,847,599/100,554,520.80
  6. Step 6: Final answer
    x = 59,955,370.20

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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.