Home / 219,631,034.40-329,445,124.58-55,867,391.84

Finding the Fourth Proportional to 219,631,034.40, 329,445,124.58 and 55,867,391.84

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Solution

The fourth proportional to 219,631,034.40, 329,445,124.58 and 55,867,391.84 is: 83,800,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,631,034.40 : 329,445,124.58 = 55,867,391.84 : x
  2. Step 2: Convert to fraction form
    219,631,034.40/329,445,124.58 = 55,867,391.84/x
  3. Step 3: Cross multiply
    219,631,034.40x = 329,445,124.58 × 55,867,391.84
  4. Step 4: Simplify right side
    219,631,034.40x = 18,405,239,863,041,248
  5. Step 5: Solve for x
    x = 18,405,239,863,041,248/219,631,034.40
  6. Step 6: Final answer
    x = 83,800,724.76

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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.