Home / 72,763,304.40-109,144,956.60-65,588,850.90

Finding the Fourth Proportional to 72,763,304.40, 109,144,956.60 and 65,588,850.90

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Solution

The fourth proportional to 72,763,304.40, 109,144,956.60 and 65,588,850.90 is: 98,383,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,763,304.40 : 109,144,956.60 = 65,588,850.90 : x
  2. Step 2: Convert to fraction form
    72,763,304.40/109,144,956.60 = 65,588,850.90/x
  3. Step 3: Cross multiply
    72,763,304.40x = 109,144,956.60 × 65,588,850.90
  4. Step 4: Simplify right side
    72,763,304.40x = 7,158,692,284,924,370
  5. Step 5: Solve for x
    x = 7,158,692,284,924,370/72,763,304.40
  6. Step 6: Final answer
    x = 98,383,276.35

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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.