Home / 213,159,508.88-294,161,007.98-115,374,364.88

Finding the Fourth Proportional to 213,159,508.88, 294,161,007.98 and 115,374,364.88

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Solution

The fourth proportional to 213,159,508.88, 294,161,007.98 and 115,374,364.88 is: 159,217,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,159,508.88 : 294,161,007.98 = 115,374,364.88 : x
  2. Step 2: Convert to fraction form
    213,159,508.88/294,161,007.98 = 115,374,364.88/x
  3. Step 3: Cross multiply
    213,159,508.88x = 294,161,007.98 × 115,374,364.88
  4. Step 4: Simplify right side
    213,159,508.88x = 33,938,639,466,970,744
  5. Step 5: Solve for x
    x = 33,938,639,466,970,744/213,159,508.88
  6. Step 6: Final answer
    x = 159,217,102.94

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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.