Home / 65,731,381.14-90,711,976.85-36,362,207.35

Finding the Fourth Proportional to 65,731,381.14, 90,711,976.85 and 36,362,207.35

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Solution

The fourth proportional to 65,731,381.14, 90,711,976.85 and 36,362,207.35 is: 50,181,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,731,381.14 : 90,711,976.85 = 36,362,207.35 : x
  2. Step 2: Convert to fraction form
    65,731,381.14/90,711,976.85 = 36,362,207.35/x
  3. Step 3: Cross multiply
    65,731,381.14x = 90,711,976.85 × 36,362,207.35
  4. Step 4: Simplify right side
    65,731,381.14x = 3,298,487,711,030,414
  5. Step 5: Solve for x
    x = 3,298,487,711,030,414/65,731,381.14
  6. Step 6: Final answer
    x = 50,181,323.65

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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.