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Finding the Fourth Proportional to 64,186,687.89, 96,276,487.89 and 46,932,570.09

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Solution

The fourth proportional to 64,186,687.89, 96,276,487.89 and 46,932,570.09 is: 70,396,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,186,687.89 : 96,276,487.89 = 46,932,570.09 : x
  2. Step 2: Convert to fraction form
    64,186,687.89/96,276,487.89 = 46,932,570.09/x
  3. Step 3: Cross multiply
    64,186,687.89x = 96,276,487.89 × 46,932,570.09
  4. Step 4: Simplify right side
    64,186,687.89x = 4,518,503,015,916,462
  5. Step 5: Solve for x
    x = 4,518,503,015,916,462/64,186,687.89
  6. Step 6: Final answer
    x = 70,396,263.84

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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.