Home / 71,132,606.84-98,161,717.86-40,192,111.82

Finding the Fourth Proportional to 71,132,606.84, 98,161,717.86 and 40,192,111.82

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Solution

The fourth proportional to 71,132,606.84, 98,161,717.86 and 40,192,111.82 is: 55,464,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132,606.84 : 98,161,717.86 = 40,192,111.82 : x
  2. Step 2: Convert to fraction form
    71,132,606.84/98,161,717.86 = 40,192,111.82/x
  3. Step 3: Cross multiply
    71,132,606.84x = 98,161,717.86 × 40,192,111.82
  4. Step 4: Simplify right side
    71,132,606.84x = 3,945,326,740,672,411
  5. Step 5: Solve for x
    x = 3,945,326,740,672,411/71,132,606.84
  6. Step 6: Final answer
    x = 55,464,391.31

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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.