Home / 51,086,449.60-76,685,661.60-31,938,827.20

Finding the Fourth Proportional to 51,086,449.60, 76,685,661.60 and 31,938,827.20

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Solution

The fourth proportional to 51,086,449.60, 76,685,661.60 and 31,938,827.20 is: 47,943,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,086,449.60 : 76,685,661.60 = 31,938,827.20 : x
  2. Step 2: Convert to fraction form
    51,086,449.60/76,685,661.60 = 31,938,827.20/x
  3. Step 3: Cross multiply
    51,086,449.60x = 76,685,661.60 × 31,938,827.20
  4. Step 4: Simplify right side
    51,086,449.60x = 2,449,250,094,560,075.50
  5. Step 5: Solve for x
    x = 2,449,250,094,560,075.50/51,086,449.60
  6. Step 6: Final answer
    x = 47,943,243.54

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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.