Home / 201,204,661.60-301,806,992.40-71,816,492.80

Finding the Fourth Proportional to 201,204,661.60, 301,806,992.40 and 71,816,492.80

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Solution

The fourth proportional to 201,204,661.60, 301,806,992.40 and 71,816,492.80 is: 107,724,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,661.60 : 301,806,992.40 = 71,816,492.80 : x
  2. Step 2: Convert to fraction form
    201,204,661.60/301,806,992.40 = 71,816,492.80/x
  3. Step 3: Cross multiply
    201,204,661.60x = 301,806,992.40 × 71,816,492.80
  4. Step 4: Simplify right side
    201,204,661.60x = 21,674,719,696,684,252
  5. Step 5: Solve for x
    x = 21,674,719,696,684,252/201,204,661.60
  6. Step 6: Final answer
    x = 107,724,739.20

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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.