Home / 100,407,421.80-150,611,132.70-67,883,232.60

Finding the Fourth Proportional to 100,407,421.80, 150,611,132.70 and 67,883,232.60

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Solution

The fourth proportional to 100,407,421.80, 150,611,132.70 and 67,883,232.60 is: 101,824,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,407,421.80 : 150,611,132.70 = 67,883,232.60 : x
  2. Step 2: Convert to fraction form
    100,407,421.80/150,611,132.70 = 67,883,232.60/x
  3. Step 3: Cross multiply
    100,407,421.80x = 150,611,132.70 × 67,883,232.60
  4. Step 4: Simplify right side
    100,407,421.80x = 10,223,970,553,223,564
  5. Step 5: Solve for x
    x = 10,223,970,553,223,564/100,407,421.80
  6. Step 6: Final answer
    x = 101,824,848.90

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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.