Home / 65,563,702.45-90,475,539.38-36,194,405.64

Finding the Fourth Proportional to 65,563,702.45, 90,475,539.38 and 36,194,405.64

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Solution

The fourth proportional to 65,563,702.45, 90,475,539.38 and 36,194,405.64 is: 49,946,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,563,702.45 : 90,475,539.38 = 36,194,405.64 : x
  2. Step 2: Convert to fraction form
    65,563,702.45/90,475,539.38 = 36,194,405.64/x
  3. Step 3: Cross multiply
    65,563,702.45x = 90,475,539.38 × 36,194,405.64
  4. Step 4: Simplify right side
    65,563,702.45x = 3,274,708,372,184,164
  5. Step 5: Solve for x
    x = 3,274,708,372,184,164/65,563,702.45
  6. Step 6: Final answer
    x = 49,946,971.42

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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.