Home / 133,452,080.70-200,178,121.05-79,704,368.70

Finding the Fourth Proportional to 133,452,080.70, 200,178,121.05 and 79,704,368.70

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Solution

The fourth proportional to 133,452,080.70, 200,178,121.05 and 79,704,368.70 is: 119,556,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,452,080.70 : 200,178,121.05 = 79,704,368.70 : x
  2. Step 2: Convert to fraction form
    133,452,080.70/200,178,121.05 = 79,704,368.70/x
  3. Step 3: Cross multiply
    133,452,080.70x = 200,178,121.05 × 79,704,368.70
  4. Step 4: Simplify right side
    133,452,080.70x = 15,955,070,765,842,432
  5. Step 5: Solve for x
    x = 15,955,070,765,842,432/133,452,080.70
  6. Step 6: Final answer
    x = 119,556,553.05

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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.