Home / 55,385,712.70-83,082,112.02-21,307,058.57

Finding the Fourth Proportional to 55,385,712.70, 83,082,112.02 and 21,307,058.57

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Solution

The fourth proportional to 55,385,712.70, 83,082,112.02 and 21,307,058.57 is: 31,961,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,712.70 : 83,082,112.02 = 21,307,058.57 : x
  2. Step 2: Convert to fraction form
    55,385,712.70/83,082,112.02 = 21,307,058.57/x
  3. Step 3: Cross multiply
    55,385,712.70x = 83,082,112.02 × 21,307,058.57
  4. Step 4: Simplify right side
    55,385,712.70x = 1,770,235,427,137,146.25
  5. Step 5: Solve for x
    x = 1,770,235,427,137,146.25/55,385,712.70
  6. Step 6: Final answer
    x = 31,961,950.85

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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.