Home / 65,731,381.27-90,711,977.02-36,362,207.48

Finding the Fourth Proportional to 65,731,381.27, 90,711,977.02 and 36,362,207.48

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Solution

The fourth proportional to 65,731,381.27, 90,711,977.02 and 36,362,207.48 is: 50,181,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,731,381.27 : 90,711,977.02 = 36,362,207.48 : x
  2. Step 2: Convert to fraction form
    65,731,381.27/90,711,977.02 = 36,362,207.48/x
  3. Step 3: Cross multiply
    65,731,381.27x = 90,711,977.02 × 36,362,207.48
  4. Step 4: Simplify right side
    65,731,381.27x = 3,298,487,728,914,125
  5. Step 5: Solve for x
    x = 3,298,487,728,914,125/65,731,381.27
  6. Step 6: Final answer
    x = 50,181,323.83

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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.