Home / 149,969,419.20-224,954,128.80-42,264,043.20

Finding the Fourth Proportional to 149,969,419.20, 224,954,128.80 and 42,264,043.20

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Solution

The fourth proportional to 149,969,419.20, 224,954,128.80 and 42,264,043.20 is: 63,396,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,969,419.20 : 224,954,128.80 = 42,264,043.20 : x
  2. Step 2: Convert to fraction form
    149,969,419.20/224,954,128.80 = 42,264,043.20/x
  3. Step 3: Cross multiply
    149,969,419.20x = 224,954,128.80 × 42,264,043.20
  4. Step 4: Simplify right side
    149,969,419.20x = 9,507,471,017,621,566
  5. Step 5: Solve for x
    x = 9,507,471,017,621,566/149,969,419.20
  6. Step 6: Final answer
    x = 63,396,064.80

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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.