Home / 103,631,766-155,501,447.82-42,265,945.68

Finding the Fourth Proportional to 103,631,766, 155,501,447.82 and 42,265,945.68

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Solution

The fourth proportional to 103,631,766, 155,501,447.82 and 42,265,945.68 is: 63,420,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631,766 : 155,501,447.82 = 42,265,945.68 : x
  2. Step 2: Convert to fraction form
    103,631,766/155,501,447.82 = 42,265,945.68/x
  3. Step 3: Cross multiply
    103,631,766x = 155,501,447.82 × 42,265,945.68
  4. Step 4: Simplify right side
    103,631,766x = 6,572,415,746,721,474
  5. Step 5: Solve for x
    x = 6,572,415,746,721,474/103,631,766
  6. Step 6: Final answer
    x = 63,420,860.23

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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.