Home / 186,033,103.78-256,750,129.32-106,679,219.38

Finding the Fourth Proportional to 186,033,103.78, 256,750,129.32 and 106,679,219.38

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Solution

The fourth proportional to 186,033,103.78, 256,750,129.32 and 106,679,219.38 is: 147,231,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,033,103.78 : 256,750,129.32 = 106,679,219.38 : x
  2. Step 2: Convert to fraction form
    186,033,103.78/256,750,129.32 = 106,679,219.38/x
  3. Step 3: Cross multiply
    186,033,103.78x = 256,750,129.32 × 106,679,219.38
  4. Step 4: Simplify right side
    186,033,103.78x = 27,389,903,371,571,648
  5. Step 5: Solve for x
    x = 27,389,903,371,571,648/186,033,103.78
  6. Step 6: Final answer
    x = 147,231,341.17

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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.