Home / 82,509,306.43-113,863,749.15-45,339,596.23

Finding the Fourth Proportional to 82,509,306.43, 113,863,749.15 and 45,339,596.23

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Solution

The fourth proportional to 82,509,306.43, 113,863,749.15 and 45,339,596.23 is: 62,569,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,509,306.43 : 113,863,749.15 = 45,339,596.23 : x
  2. Step 2: Convert to fraction form
    82,509,306.43/113,863,749.15 = 45,339,596.23/x
  3. Step 3: Cross multiply
    82,509,306.43x = 113,863,749.15 × 45,339,596.23
  4. Step 4: Simplify right side
    82,509,306.43x = 5,162,536,411,695,006
  5. Step 5: Solve for x
    x = 5,162,536,411,695,006/82,509,306.43
  6. Step 6: Final answer
    x = 62,569,140.80

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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.