Home / 123,622,481.52-185,429,146.50-49,878,153.72

Finding the Fourth Proportional to 123,622,481.52, 185,429,146.50 and 49,878,153.72

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Solution

The fourth proportional to 123,622,481.52, 185,429,146.50 and 49,878,153.72 is: 74,815,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,622,481.52 : 185,429,146.50 = 49,878,153.72 : x
  2. Step 2: Convert to fraction form
    123,622,481.52/185,429,146.50 = 49,878,153.72/x
  3. Step 3: Cross multiply
    123,622,481.52x = 185,429,146.50 × 49,878,153.72
  4. Step 4: Simplify right side
    123,622,481.52x = 9,248,863,473,295,400
  5. Step 5: Solve for x
    x = 9,248,863,473,295,400/123,622,481.52
  6. Step 6: Final answer
    x = 74,815,384.38

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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.