Home / 201,814,539.20-302,721,808.80-99,777,867.20

Finding the Fourth Proportional to 201,814,539.20, 302,721,808.80 and 99,777,867.20

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Solution

The fourth proportional to 201,814,539.20, 302,721,808.80 and 99,777,867.20 is: 149,666,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,814,539.20 : 302,721,808.80 = 99,777,867.20 : x
  2. Step 2: Convert to fraction form
    201,814,539.20/302,721,808.80 = 99,777,867.20/x
  3. Step 3: Cross multiply
    201,814,539.20x = 302,721,808.80 × 99,777,867.20
  4. Step 4: Simplify right side
    201,814,539.20x = 30,204,936,436,990,192
  5. Step 5: Solve for x
    x = 30,204,936,436,990,192/201,814,539.20
  6. Step 6: Final answer
    x = 149,666,800.80

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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.