Home / 102,276,371.70-141,106,383.45-58,212,345.78

Finding the Fourth Proportional to 102,276,371.70, 141,106,383.45 and 58,212,345.78

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Solution

The fourth proportional to 102,276,371.70, 141,106,383.45 and 58,212,345.78 is: 80,313,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,276,371.70 : 141,106,383.45 = 58,212,345.78 : x
  2. Step 2: Convert to fraction form
    102,276,371.70/141,106,383.45 = 58,212,345.78/x
  3. Step 3: Cross multiply
    102,276,371.70x = 141,106,383.45 × 58,212,345.78
  4. Step 4: Simplify right side
    102,276,371.70x = 8,214,133,585,156,669
  5. Step 5: Solve for x
    x = 8,214,133,585,156,669/102,276,371.70
  6. Step 6: Final answer
    x = 80,313,110.92

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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.