Home / 89,642,957.69-123,704,015.67-49,948,437.48

Finding the Fourth Proportional to 89,642,957.69, 123,704,015.67 and 49,948,437.48

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Solution

The fourth proportional to 89,642,957.69, 123,704,015.67 and 49,948,437.48 is: 68,927,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,642,957.69 : 123,704,015.67 = 49,948,437.48 : x
  2. Step 2: Convert to fraction form
    89,642,957.69/123,704,015.67 = 49,948,437.48/x
  3. Step 3: Cross multiply
    89,642,957.69x = 123,704,015.67 × 49,948,437.48
  4. Step 4: Simplify right side
    89,642,957.69x = 6,178,822,292,717,935
  5. Step 5: Solve for x
    x = 6,178,822,292,717,935/89,642,957.69
  6. Step 6: Final answer
    x = 68,927,023.97

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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.