Home / 91,623,785.92-126,440,905.44-50,371,380.16

Finding the Fourth Proportional to 91,623,785.92, 126,440,905.44 and 50,371,380.16

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Solution

The fourth proportional to 91,623,785.92, 126,440,905.44 and 50,371,380.16 is: 69,512,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,623,785.92 : 126,440,905.44 = 50,371,380.16 : x
  2. Step 2: Convert to fraction form
    91,623,785.92/126,440,905.44 = 50,371,380.16/x
  3. Step 3: Cross multiply
    91,623,785.92x = 126,440,905.44 × 50,371,380.16
  4. Step 4: Simplify right side
    91,623,785.92x = 6,369,002,915,692,851
  5. Step 5: Solve for x
    x = 6,369,002,915,692,851/91,623,785.92
  6. Step 6: Final answer
    x = 69,512,549.08

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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.