Home / 82,509,314.75-113,863,760.61-45,339,604.64

Finding the Fourth Proportional to 82,509,314.75, 113,863,760.61 and 45,339,604.64

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Solution

The fourth proportional to 82,509,314.75, 113,863,760.61 and 45,339,604.64 is: 62,569,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,509,314.75 : 113,863,760.61 = 45,339,604.64 : x
  2. Step 2: Convert to fraction form
    82,509,314.75/113,863,760.61 = 45,339,604.64/x
  3. Step 3: Cross multiply
    82,509,314.75x = 113,863,760.61 × 45,339,604.64
  4. Step 4: Simplify right side
    82,509,314.75x = 5,162,537,888,881,005
  5. Step 5: Solve for x
    x = 5,162,537,888,881,005/82,509,314.75
  6. Step 6: Final answer
    x = 62,569,152.40

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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.