Home / 188,392,368.30-282,378,600.45-73,338,672.30

Finding the Fourth Proportional to 188,392,368.30, 282,378,600.45 and 73,338,672.30

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Solution

The fourth proportional to 188,392,368.30, 282,378,600.45 and 73,338,672.30 is: 109,926,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,392,368.30 : 282,378,600.45 = 73,338,672.30 : x
  2. Step 2: Convert to fraction form
    188,392,368.30/282,378,600.45 = 73,338,672.30/x
  3. Step 3: Cross multiply
    188,392,368.30x = 282,378,600.45 × 73,338,672.30
  4. Step 4: Simplify right side
    188,392,368.30x = 20,709,271,642,935,180
  5. Step 5: Solve for x
    x = 20,709,271,642,935,180/188,392,368.30
  6. Step 6: Final answer
    x = 109,926,276.90

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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.