Home / 112,269,270.80-168,403,906.20-103,871,190.80

Finding the Fourth Proportional to 112,269,270.80, 168,403,906.20 and 103,871,190.80

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Solution

The fourth proportional to 112,269,270.80, 168,403,906.20 and 103,871,190.80 is: 155,806,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,270.80 : 168,403,906.20 = 103,871,190.80 : x
  2. Step 2: Convert to fraction form
    112,269,270.80/168,403,906.20 = 103,871,190.80/x
  3. Step 3: Cross multiply
    112,269,270.80x = 168,403,906.20 × 103,871,190.80
  4. Step 4: Simplify right side
    112,269,270.80x = 17,492,314,272,365,502
  5. Step 5: Solve for x
    x = 17,492,314,272,365,502/112,269,270.80
  6. Step 6: Final answer
    x = 155,806,786.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.