Home / 55,117,072.78-76,056,616.65-31,913,765.80

Finding the Fourth Proportional to 55,117,072.78, 76,056,616.65 and 31,913,765.80

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Solution

The fourth proportional to 55,117,072.78, 76,056,616.65 and 31,913,765.80 is: 44,038,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117,072.78 : 76,056,616.65 = 31,913,765.80 : x
  2. Step 2: Convert to fraction form
    55,117,072.78/76,056,616.65 = 31,913,765.80/x
  3. Step 3: Cross multiply
    55,117,072.78x = 76,056,616.65 × 31,913,765.80
  4. Step 4: Simplify right side
    55,117,072.78x = 2,427,253,051,308,481
  5. Step 5: Solve for x
    x = 2,427,253,051,308,481/55,117,072.78
  6. Step 6: Final answer
    x = 44,038,134.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.