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Finding the Fourth Proportional to 52,787,997.60, 74,003,973.60 and 52,787,997.60

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Solution

The fourth proportional to 52,787,997.60, 74,003,973.60 and 52,787,997.60 is: 74,003,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787,997.60 : 74,003,973.60 = 52,787,997.60 : x
  2. Step 2: Convert to fraction form
    52,787,997.60/74,003,973.60 = 52,787,997.60/x
  3. Step 3: Cross multiply
    52,787,997.60x = 74,003,973.60 × 52,787,997.60
  4. Step 4: Simplify right side
    52,787,997.60x = 3,906,521,580,787,263
  5. Step 5: Solve for x
    x = 3,906,521,580,787,263/52,787,997.60
  6. Step 6: Final answer
    x = 74,003,973.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.