Home / 65,379,971.86-90,224,356.89-37,893,843.46

Finding the Fourth Proportional to 65,379,971.86, 90,224,356.89 and 37,893,843.46

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Solution

The fourth proportional to 65,379,971.86, 90,224,356.89 and 37,893,843.46 is: 52,293,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,379,971.86 : 90,224,356.89 = 37,893,843.46 : x
  2. Step 2: Convert to fraction form
    65,379,971.86/90,224,356.89 = 37,893,843.46/x
  3. Step 3: Cross multiply
    65,379,971.86x = 90,224,356.89 × 37,893,843.46
  4. Step 4: Simplify right side
    65,379,971.86x = 3,418,947,656,268,832.50
  5. Step 5: Solve for x
    x = 3,418,947,656,268,832.50/65,379,971.86
  6. Step 6: Final answer
    x = 52,293,501.50

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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.