Home / 100,014,781.60-150,022,172.40-42,508,928.80

Finding the Fourth Proportional to 100,014,781.60, 150,022,172.40 and 42,508,928.80

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Solution

The fourth proportional to 100,014,781.60, 150,022,172.40 and 42,508,928.80 is: 63,763,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,014,781.60 : 150,022,172.40 = 42,508,928.80 : x
  2. Step 2: Convert to fraction form
    100,014,781.60/150,022,172.40 = 42,508,928.80/x
  3. Step 3: Cross multiply
    100,014,781.60x = 150,022,172.40 × 42,508,928.80
  4. Step 4: Simplify right side
    100,014,781.60x = 6,377,281,844,972,925
  5. Step 5: Solve for x
    x = 6,377,281,844,972,925/100,014,781.60
  6. Step 6: Final answer
    x = 63,763,393.20

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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.