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Finding the Fourth Proportional to 72,756,773,998.20, 109,135,160,997.30 and 72,756,773,998.20

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Solution

The fourth proportional to 72,756,773,998.20, 109,135,160,997.30 and 72,756,773,998.20 is: 109,135,160,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,756,773,998.20 : 109,135,160,997.30 = 72,756,773,998.20 : x
  2. Step 2: Convert to fraction form
    72,756,773,998.20/109,135,160,997.30 = 72,756,773,998.20/x
  3. Step 3: Cross multiply
    72,756,773,998.20x = 109,135,160,997.30 × 72,756,773,998.20
  4. Step 4: Simplify right side
    72,756,773,998.20x = 7,940,322,243,937,727,152,128
  5. Step 5: Solve for x
    x = 7,940,322,243,937,727,152,128/72,756,773,998.20
  6. Step 6: Final answer
    x = 109,135,160,997.30

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1.5x scale

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.