Home / 123,672,001.05-185,508,001.58-42,892,969.05

Finding the Fourth Proportional to 123,672,001.05, 185,508,001.58 and 42,892,969.05

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Solution

The fourth proportional to 123,672,001.05, 185,508,001.58 and 42,892,969.05 is: 64,339,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,672,001.05 : 185,508,001.58 = 42,892,969.05 : x
  2. Step 2: Convert to fraction form
    123,672,001.05/185,508,001.58 = 42,892,969.05/x
  3. Step 3: Cross multiply
    123,672,001.05x = 185,508,001.58 × 42,892,969.05
  4. Step 4: Simplify right side
    123,672,001.05x = 7,956,988,970,083,825
  5. Step 5: Solve for x
    x = 7,956,988,970,083,825/123,672,001.05
  6. Step 6: Final answer
    x = 64,339,453.58

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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.