Home / 132,897,122.40-199,345,683.60-120,780,267.60

Finding the Fourth Proportional to 132,897,122.40, 199,345,683.60 and 120,780,267.60

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Solution

The fourth proportional to 132,897,122.40, 199,345,683.60 and 120,780,267.60 is: 181,170,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,897,122.40 : 199,345,683.60 = 120,780,267.60 : x
  2. Step 2: Convert to fraction form
    132,897,122.40/199,345,683.60 = 120,780,267.60/x
  3. Step 3: Cross multiply
    132,897,122.40x = 199,345,683.60 × 120,780,267.60
  4. Step 4: Simplify right side
    132,897,122.40x = 24,077,025,010,112,928
  5. Step 5: Solve for x
    x = 24,077,025,010,112,928/132,897,122.40
  6. Step 6: Final answer
    x = 181,170,401.40

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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.