Home / 68,725,472.16-94,835,541.78-40,463,383.89

Finding the Fourth Proportional to 68,725,472.16, 94,835,541.78 and 40,463,383.89

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Solution

The fourth proportional to 68,725,472.16, 94,835,541.78 and 40,463,383.89 is: 55,836,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,725,472.16 : 94,835,541.78 = 40,463,383.89 : x
  2. Step 2: Convert to fraction form
    68,725,472.16/94,835,541.78 = 40,463,383.89/x
  3. Step 3: Cross multiply
    68,725,472.16x = 94,835,541.78 × 40,463,383.89
  4. Step 4: Simplify right side
    68,725,472.16x = 3,837,366,933,460,274
  5. Step 5: Solve for x
    x = 3,837,366,933,460,274/68,725,472.16
  6. Step 6: Final answer
    x = 55,836,166.89

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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.