Home / 78,322,899.11-117,471,317.93-23,722,503.15

Finding the Fourth Proportional to 78,322,899.11, 117,471,317.93 and 23,722,503.15

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Solution

The fourth proportional to 78,322,899.11, 117,471,317.93 and 23,722,503.15 is: 35,579,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,322,899.11 : 117,471,317.93 = 23,722,503.15 : x
  2. Step 2: Convert to fraction form
    78,322,899.11/117,471,317.93 = 23,722,503.15/x
  3. Step 3: Cross multiply
    78,322,899.11x = 117,471,317.93 × 23,722,503.15
  4. Step 4: Simplify right side
    78,322,899.11x = 2,786,713,709,510,463.50
  5. Step 5: Solve for x
    x = 2,786,713,709,510,463.50/78,322,899.11
  6. Step 6: Final answer
    x = 35,579,807.96

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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.