Home / 42,400,545.76-63,606,767.82-20,835,996.76

Finding the Fourth Proportional to 42,400,545.76, 63,606,767.82 and 20,835,996.76

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Solution

The fourth proportional to 42,400,545.76, 63,606,767.82 and 20,835,996.76 is: 31,256,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,400,545.76 : 63,606,767.82 = 20,835,996.76 : x
  2. Step 2: Convert to fraction form
    42,400,545.76/63,606,767.82 = 20,835,996.76/x
  3. Step 3: Cross multiply
    42,400,545.76x = 63,606,767.82 × 20,835,996.76
  4. Step 4: Simplify right side
    42,400,545.76x = 1,325,310,408,211,592.25
  5. Step 5: Solve for x
    x = 1,325,310,408,211,592.25/42,400,545.76
  6. Step 6: Final answer
    x = 31,256,918.62

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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.