Home / 149,665,772.70-224,540,649.45-72,991,302.30

Finding the Fourth Proportional to 149,665,772.70, 224,540,649.45 and 72,991,302.30

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Solution

The fourth proportional to 149,665,772.70, 224,540,649.45 and 72,991,302.30 is: 109,507,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,665,772.70 : 224,540,649.45 = 72,991,302.30 : x
  2. Step 2: Convert to fraction form
    149,665,772.70/224,540,649.45 = 72,991,302.30/x
  3. Step 3: Cross multiply
    149,665,772.70x = 224,540,649.45 × 72,991,302.30
  4. Step 4: Simplify right side
    149,665,772.70x = 16,389,514,422,643,278
  5. Step 5: Solve for x
    x = 16,389,514,422,643,278/149,665,772.70
  6. Step 6: Final answer
    x = 109,507,431.97

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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.