Home / 49,538,042.10-74,307,063.15-20,804,798.70

Finding the Fourth Proportional to 49,538,042.10, 74,307,063.15 and 20,804,798.70

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Solution

The fourth proportional to 49,538,042.10, 74,307,063.15 and 20,804,798.70 is: 31,207,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538,042.10 : 74,307,063.15 = 20,804,798.70 : x
  2. Step 2: Convert to fraction form
    49,538,042.10/74,307,063.15 = 20,804,798.70/x
  3. Step 3: Cross multiply
    49,538,042.10x = 74,307,063.15 × 20,804,798.70
  4. Step 4: Simplify right side
    49,538,042.10x = 1,545,943,490,823,938
  5. Step 5: Solve for x
    x = 1,545,943,490,823,938/49,538,042.10
  6. Step 6: Final answer
    x = 31,207,198.05

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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.