Home / 201,814,564.20-302,721,846.30-99,777,892.20

Finding the Fourth Proportional to 201,814,564.20, 302,721,846.30 and 99,777,892.20

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Solution

The fourth proportional to 201,814,564.20, 302,721,846.30 and 99,777,892.20 is: 149,666,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,814,564.20 : 302,721,846.30 = 99,777,892.20 : x
  2. Step 2: Convert to fraction form
    201,814,564.20/302,721,846.30 = 99,777,892.20/x
  3. Step 3: Cross multiply
    201,814,564.20x = 302,721,846.30 × 99,777,892.20
  4. Step 4: Simplify right side
    201,814,564.20x = 30,204,947,746,706,372
  5. Step 5: Solve for x
    x = 30,204,947,746,706,372/201,814,564.20
  6. Step 6: Final answer
    x = 149,666,838.30

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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.