Home / 43,293,828.30-64,940,742.45-39,388,721.10

Finding the Fourth Proportional to 43,293,828.30, 64,940,742.45 and 39,388,721.10

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Solution

The fourth proportional to 43,293,828.30, 64,940,742.45 and 39,388,721.10 is: 59,083,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,293,828.30 : 64,940,742.45 = 39,388,721.10 : x
  2. Step 2: Convert to fraction form
    43,293,828.30/64,940,742.45 = 39,388,721.10/x
  3. Step 3: Cross multiply
    43,293,828.30x = 64,940,742.45 × 39,388,721.10
  4. Step 4: Simplify right side
    43,293,828.30x = 2,557,932,792,389,981
  5. Step 5: Solve for x
    x = 2,557,932,792,389,981/43,293,828.30
  6. Step 6: Final answer
    x = 59,083,081.65

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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.