Home / 143,850,407.40-215,775,611.10-82,628,404.20

Finding the Fourth Proportional to 143,850,407.40, 215,775,611.10 and 82,628,404.20

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Solution

The fourth proportional to 143,850,407.40, 215,775,611.10 and 82,628,404.20 is: 123,942,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,850,407.40 : 215,775,611.10 = 82,628,404.20 : x
  2. Step 2: Convert to fraction form
    143,850,407.40/215,775,611.10 = 82,628,404.20/x
  3. Step 3: Cross multiply
    143,850,407.40x = 215,775,611.10 × 82,628,404.20
  4. Step 4: Simplify right side
    143,850,407.40x = 17,829,194,410,472,806
  5. Step 5: Solve for x
    x = 17,829,194,410,472,806/143,850,407.40
  6. Step 6: Final answer
    x = 123,942,606.30

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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.