Home / 132,867,132.40-199,300,698.60-121,781,666.80

Finding the Fourth Proportional to 132,867,132.40, 199,300,698.60 and 121,781,666.80

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Solution

The fourth proportional to 132,867,132.40, 199,300,698.60 and 121,781,666.80 is: 182,672,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,867,132.40 : 199,300,698.60 = 121,781,666.80 : x
  2. Step 2: Convert to fraction form
    132,867,132.40/199,300,698.60 = 121,781,666.80/x
  3. Step 3: Cross multiply
    132,867,132.40x = 199,300,698.60 × 121,781,666.80
  4. Step 4: Simplify right side
    132,867,132.40x = 24,271,171,269,912,424
  5. Step 5: Solve for x
    x = 24,271,171,269,912,424/132,867,132.40
  6. Step 6: Final answer
    x = 182,672,500.20

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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.