Home / 111,800,826.90-154,288,818.90-61,570,401.39

Finding the Fourth Proportional to 111,800,826.90, 154,288,818.90 and 61,570,401.39

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Solution

The fourth proportional to 111,800,826.90, 154,288,818.90 and 61,570,401.39 is: 84,969,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,800,826.90 : 154,288,818.90 = 61,570,401.39 : x
  2. Step 2: Convert to fraction form
    111,800,826.90/154,288,818.90 = 61,570,401.39/x
  3. Step 3: Cross multiply
    111,800,826.90x = 154,288,818.90 × 61,570,401.39
  4. Step 4: Simplify right side
    111,800,826.90x = 9,499,624,509,662,018
  5. Step 5: Solve for x
    x = 9,499,624,509,662,018/111,800,826.90
  6. Step 6: Final answer
    x = 84,969,179.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.