Home / 51,109,853.70-76,664,780.55-31,977,977.70

Finding the Fourth Proportional to 51,109,853.70, 76,664,780.55 and 31,977,977.70

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Solution

The fourth proportional to 51,109,853.70, 76,664,780.55 and 31,977,977.70 is: 47,966,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,109,853.70 : 76,664,780.55 = 31,977,977.70 : x
  2. Step 2: Convert to fraction form
    51,109,853.70/76,664,780.55 = 31,977,977.70/x
  3. Step 3: Cross multiply
    51,109,853.70x = 76,664,780.55 × 31,977,977.70
  4. Step 4: Simplify right side
    51,109,853.70x = 2,451,584,642,803,293.50
  5. Step 5: Solve for x
    x = 2,451,584,642,803,293.50/51,109,853.70
  6. Step 6: Final answer
    x = 47,966,966.55

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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.