Home / 82,376,332.56-113,671,063.40-49,335,735.56

Finding the Fourth Proportional to 82,376,332.56, 113,671,063.40 and 49,335,735.56

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Solution

The fourth proportional to 82,376,332.56, 113,671,063.40 and 49,335,735.56 is: 68,078,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,376,332.56 : 113,671,063.40 = 49,335,735.56 : x
  2. Step 2: Convert to fraction form
    82,376,332.56/113,671,063.40 = 49,335,735.56/x
  3. Step 3: Cross multiply
    82,376,332.56x = 113,671,063.40 × 49,335,735.56
  4. Step 4: Simplify right side
    82,376,332.56x = 5,608,045,523,911,360
  5. Step 5: Solve for x
    x = 5,608,045,523,911,360/82,376,332.56
  6. Step 6: Final answer
    x = 68,078,358.79

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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.