Home / 312,040,281.70-468,060,422.55-158,985,273.70

Finding the Fourth Proportional to 312,040,281.70, 468,060,422.55 and 158,985,273.70

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Solution

The fourth proportional to 312,040,281.70, 468,060,422.55 and 158,985,273.70 is: 238,477,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,040,281.70 : 468,060,422.55 = 158,985,273.70 : x
  2. Step 2: Convert to fraction form
    312,040,281.70/468,060,422.55 = 158,985,273.70/x
  3. Step 3: Cross multiply
    312,040,281.70x = 468,060,422.55 × 158,985,273.70
  4. Step 4: Simplify right side
    312,040,281.70x = 74,414,714,387,249,392
  5. Step 5: Solve for x
    x = 74,414,714,387,249,392/312,040,281.70
  6. Step 6: Final answer
    x = 238,477,910.55

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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.