Home / 201,814,538.20-302,721,807.30-99,777,866.20

Finding the Fourth Proportional to 201,814,538.20, 302,721,807.30 and 99,777,866.20

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Solution

The fourth proportional to 201,814,538.20, 302,721,807.30 and 99,777,866.20 is: 149,666,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,814,538.20 : 302,721,807.30 = 99,777,866.20 : x
  2. Step 2: Convert to fraction form
    201,814,538.20/302,721,807.30 = 99,777,866.20/x
  3. Step 3: Cross multiply
    201,814,538.20x = 302,721,807.30 × 99,777,866.20
  4. Step 4: Simplify right side
    201,814,538.20x = 30,204,935,984,601,584
  5. Step 5: Solve for x
    x = 30,204,935,984,601,584/201,814,538.20
  6. Step 6: Final answer
    x = 149,666,799.30

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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.