Home / 231,307,085.30-346,961,809.13-77,954,470.34

Finding the Fourth Proportional to 231,307,085.30, 346,961,809.13 and 77,954,470.34

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Solution

The fourth proportional to 231,307,085.30, 346,961,809.13 and 77,954,470.34 is: 116,932,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,307,085.30 : 346,961,809.13 = 77,954,470.34 : x
  2. Step 2: Convert to fraction form
    231,307,085.30/346,961,809.13 = 77,954,470.34/x
  3. Step 3: Cross multiply
    231,307,085.30x = 346,961,809.13 × 77,954,470.34
  4. Step 4: Simplify right side
    231,307,085.30x = 27,047,224,056,812,744
  5. Step 5: Solve for x
    x = 27,047,224,056,812,744/231,307,085.30
  6. Step 6: Final answer
    x = 116,932,103.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.