Home / 126,801,002.40-190,201,503.60-40,542,223.20

Finding the Fourth Proportional to 126,801,002.40, 190,201,503.60 and 40,542,223.20

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Solution

The fourth proportional to 126,801,002.40, 190,201,503.60 and 40,542,223.20 is: 60,813,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,801,002.40 : 190,201,503.60 = 40,542,223.20 : x
  2. Step 2: Convert to fraction form
    126,801,002.40/190,201,503.60 = 40,542,223.20/x
  3. Step 3: Cross multiply
    126,801,002.40x = 190,201,503.60 × 40,542,223.20
  4. Step 4: Simplify right side
    126,801,002.40x = 7,711,191,811,926,804
  5. Step 5: Solve for x
    x = 7,711,191,811,926,804/126,801,002.40
  6. Step 6: Final answer
    x = 60,813,334.80

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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.