Home / 91,623,786.92-126,440,906.82-50,371,381.16

Finding the Fourth Proportional to 91,623,786.92, 126,440,906.82 and 50,371,381.16

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Solution

The fourth proportional to 91,623,786.92, 126,440,906.82 and 50,371,381.16 is: 69,512,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,623,786.92 : 126,440,906.82 = 50,371,381.16 : x
  2. Step 2: Convert to fraction form
    91,623,786.92/126,440,906.82 = 50,371,381.16/x
  3. Step 3: Cross multiply
    91,623,786.92x = 126,440,906.82 × 50,371,381.16
  4. Step 4: Simplify right side
    91,623,786.92x = 6,369,003,111,646,263
  5. Step 5: Solve for x
    x = 6,369,003,111,646,263/91,623,786.92
  6. Step 6: Final answer
    x = 69,512,550.46

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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.