Home / 132,866,936.40-199,300,404.60-100,130,170.80

Finding the Fourth Proportional to 132,866,936.40, 199,300,404.60 and 100,130,170.80

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Solution

The fourth proportional to 132,866,936.40, 199,300,404.60 and 100,130,170.80 is: 150,195,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,866,936.40 : 199,300,404.60 = 100,130,170.80 : x
  2. Step 2: Convert to fraction form
    132,866,936.40/199,300,404.60 = 100,130,170.80/x
  3. Step 3: Cross multiply
    132,866,936.40x = 199,300,404.60 × 100,130,170.80
  4. Step 4: Simplify right side
    132,866,936.40x = 19,955,983,553,107,104
  5. Step 5: Solve for x
    x = 19,955,983,553,107,104/132,866,936.40
  6. Step 6: Final answer
    x = 150,195,256.20

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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.