Home / 201,637,753.25-302,510,451.63-72,258,441.80

Finding the Fourth Proportional to 201,637,753.25, 302,510,451.63 and 72,258,441.80

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Solution

The fourth proportional to 201,637,753.25, 302,510,451.63 and 72,258,441.80 is: 108,406,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,637,753.25 : 302,510,451.63 = 72,258,441.80 : x
  2. Step 2: Convert to fraction form
    201,637,753.25/302,510,451.63 = 72,258,441.80/x
  3. Step 3: Cross multiply
    201,637,753.25x = 302,510,451.63 × 72,258,441.80
  4. Step 4: Simplify right side
    201,637,753.25x = 21,858,933,861,485,520
  5. Step 5: Solve for x
    x = 21,858,933,861,485,520/201,637,753.25
  6. Step 6: Final answer
    x = 108,406,950.14

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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.