Home / 31,212,203.76-43,071,868.40-17,272,720.17

Finding the Fourth Proportional to 31,212,203.76, 43,071,868.40 and 17,272,720.17

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Solution

The fourth proportional to 31,212,203.76, 43,071,868.40 and 17,272,720.17 is: 23,835,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212,203.76 : 43,071,868.40 = 17,272,720.17 : x
  2. Step 2: Convert to fraction form
    31,212,203.76/43,071,868.40 = 17,272,720.17/x
  3. Step 3: Cross multiply
    31,212,203.76x = 43,071,868.40 × 17,272,720.17
  4. Step 4: Simplify right side
    31,212,203.76x = 743,968,329,985,902.12
  5. Step 5: Solve for x
    x = 743,968,329,985,902.12/31,212,203.76
  6. Step 6: Final answer
    x = 23,835,815.49

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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.