Home / 82,509,306.93-113,863,749.84-45,339,596.73

Finding the Fourth Proportional to 82,509,306.93, 113,863,749.84 and 45,339,596.73

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Solution

The fourth proportional to 82,509,306.93, 113,863,749.84 and 45,339,596.73 is: 62,569,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,509,306.93 : 113,863,749.84 = 45,339,596.73 : x
  2. Step 2: Convert to fraction form
    82,509,306.93/113,863,749.84 = 45,339,596.73/x
  3. Step 3: Cross multiply
    82,509,306.93x = 113,863,749.84 × 45,339,596.73
  4. Step 4: Simplify right side
    82,509,306.93x = 5,162,536,499,911,202
  5. Step 5: Solve for x
    x = 5,162,536,499,911,202/82,509,306.93
  6. Step 6: Final answer
    x = 62,569,141.49

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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.