Home / 222,535,124.21-307,116,855.90-123,447,818.54

Finding the Fourth Proportional to 222,535,124.21, 307,116,855.90 and 123,447,818.54

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Solution

The fourth proportional to 222,535,124.21, 307,116,855.90 and 123,447,818.54 is: 170,368,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,535,124.21 : 307,116,855.90 = 123,447,818.54 : x
  2. Step 2: Convert to fraction form
    222,535,124.21/307,116,855.90 = 123,447,818.54/x
  3. Step 3: Cross multiply
    222,535,124.21x = 307,116,855.90 × 123,447,818.54
  4. Step 4: Simplify right side
    222,535,124.21x = 37,912,905,897,718,528
  5. Step 5: Solve for x
    x = 37,912,905,897,718,528/222,535,124.21
  6. Step 6: Final answer
    x = 170,368,188.09

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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.