Home / 132,893,246.40-199,339,869.60-100,644,619.20

Finding the Fourth Proportional to 132,893,246.40, 199,339,869.60 and 100,644,619.20

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Solution

The fourth proportional to 132,893,246.40, 199,339,869.60 and 100,644,619.20 is: 150,966,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,893,246.40 : 199,339,869.60 = 100,644,619.20 : x
  2. Step 2: Convert to fraction form
    132,893,246.40/199,339,869.60 = 100,644,619.20/x
  3. Step 3: Cross multiply
    132,893,246.40x = 199,339,869.60 × 100,644,619.20
  4. Step 4: Simplify right side
    132,893,246.40x = 20,062,485,267,269,656
  5. Step 5: Solve for x
    x = 20,062,485,267,269,656/132,893,246.40
  6. Step 6: Final answer
    x = 150,966,928.80

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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.