Home / 251,928,500.80-377,654,978.40-136,743,246.40

Finding the Fourth Proportional to 251,928,500.80, 377,654,978.40 and 136,743,246.40

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Solution

The fourth proportional to 251,928,500.80, 377,654,978.40 and 136,743,246.40 is: 204,985,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,928,500.80 : 377,654,978.40 = 136,743,246.40 : x
  2. Step 2: Convert to fraction form
    251,928,500.80/377,654,978.40 = 136,743,246.40/x
  3. Step 3: Cross multiply
    251,928,500.80x = 377,654,978.40 × 136,743,246.40
  4. Step 4: Simplify right side
    251,928,500.80x = 51,641,767,765,537,880
  5. Step 5: Solve for x
    x = 51,641,767,765,537,880/251,928,500.80
  6. Step 6: Final answer
    x = 204,985,809.87

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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.