Home / 100,314,097.20-150,471,145.80-90,269,862.30

Finding the Fourth Proportional to 100,314,097.20, 150,471,145.80 and 90,269,862.30

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Solution

The fourth proportional to 100,314,097.20, 150,471,145.80 and 90,269,862.30 is: 135,404,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,314,097.20 : 150,471,145.80 = 90,269,862.30 : x
  2. Step 2: Convert to fraction form
    100,314,097.20/150,471,145.80 = 90,269,862.30/x
  3. Step 3: Cross multiply
    100,314,097.20x = 150,471,145.80 × 90,269,862.30
  4. Step 4: Simplify right side
    100,314,097.20x = 13,583,009,611,489,224
  5. Step 5: Solve for x
    x = 13,583,009,611,489,224/100,314,097.20
  6. Step 6: Final answer
    x = 135,404,793.45

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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.