Home / 222,535,123.71-307,116,855.21-123,447,818.04

Finding the Fourth Proportional to 222,535,123.71, 307,116,855.21 and 123,447,818.04

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Solution

The fourth proportional to 222,535,123.71, 307,116,855.21 and 123,447,818.04 is: 170,368,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,535,123.71 : 307,116,855.21 = 123,447,818.04 : x
  2. Step 2: Convert to fraction form
    222,535,123.71/307,116,855.21 = 123,447,818.04/x
  3. Step 3: Cross multiply
    222,535,123.71x = 307,116,855.21 × 123,447,818.04
  4. Step 4: Simplify right side
    222,535,123.71x = 37,912,905,658,981,104
  5. Step 5: Solve for x
    x = 37,912,905,658,981,104/222,535,123.71
  6. Step 6: Final answer
    x = 170,368,187.40

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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.