Home / 112,269,268.80-168,403,903.20-103,871,188.80

Finding the Fourth Proportional to 112,269,268.80, 168,403,903.20 and 103,871,188.80

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Solution

The fourth proportional to 112,269,268.80, 168,403,903.20 and 103,871,188.80 is: 155,806,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,268.80 : 168,403,903.20 = 103,871,188.80 : x
  2. Step 2: Convert to fraction form
    112,269,268.80/168,403,903.20 = 103,871,188.80/x
  3. Step 3: Cross multiply
    112,269,268.80x = 168,403,903.20 × 103,871,188.80
  4. Step 4: Simplify right side
    112,269,268.80x = 17,492,313,623,944,122
  5. Step 5: Solve for x
    x = 17,492,313,623,944,122/112,269,268.80
  6. Step 6: Final answer
    x = 155,806,783.20

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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.