Home / 68,336,603,807.79-102,467,538,017.62-54,261,980,649.37

Finding the Fourth Proportional to 68,336,603,807.79, 102,467,538,017.62 and 54,261,980,649.37

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Solution

The fourth proportional to 68,336,603,807.79, 102,467,538,017.62 and 54,261,980,649.37 is: 81,363,299,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336,603,807.79 : 102,467,538,017.62 = 54,261,980,649.37 : x
  2. Step 2: Convert to fraction form
    68,336,603,807.79/102,467,538,017.62 = 54,261,980,649.37/x
  3. Step 3: Cross multiply
    68,336,603,807.79x = 102,467,538,017.62 × 54,261,980,649.37
  4. Step 4: Simplify right side
    68,336,603,807.79x = 5,560,091,565,100,681,396,224
  5. Step 5: Solve for x
    x = 5,560,091,565,100,681,396,224/68,336,603,807.79
  6. Step 6: Final answer
    x = 81,363,299,539.14

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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.