Home / 82,207,140.13-113,445,814.07-49,167,388.61

Finding the Fourth Proportional to 82,207,140.13, 113,445,814.07 and 49,167,388.61

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Solution

The fourth proportional to 82,207,140.13, 113,445,814.07 and 49,167,388.61 is: 67,850,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,207,140.13 : 113,445,814.07 = 49,167,388.61 : x
  2. Step 2: Convert to fraction form
    82,207,140.13/113,445,814.07 = 49,167,388.61/x
  3. Step 3: Cross multiply
    82,207,140.13x = 113,445,814.07 × 49,167,388.61
  4. Step 4: Simplify right side
    82,207,140.13x = 5,577,834,426,557,495
  5. Step 5: Solve for x
    x = 5,577,834,426,557,495/82,207,140.13
  6. Step 6: Final answer
    x = 67,850,972.77

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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.