Home / 132,847,204.80-199,270,807.20-81,562,929.60

Finding the Fourth Proportional to 132,847,204.80, 199,270,807.20 and 81,562,929.60

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Solution

The fourth proportional to 132,847,204.80, 199,270,807.20 and 81,562,929.60 is: 122,344,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,847,204.80 : 199,270,807.20 = 81,562,929.60 : x
  2. Step 2: Convert to fraction form
    132,847,204.80/199,270,807.20 = 81,562,929.60/x
  3. Step 3: Cross multiply
    132,847,204.80x = 199,270,807.20 × 81,562,929.60
  4. Step 4: Simplify right side
    132,847,204.80x = 16,253,110,818,988,770
  5. Step 5: Solve for x
    x = 16,253,110,818,988,770/132,847,204.80
  6. Step 6: Final answer
    x = 122,344,394.40

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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.