Home / 117,242,868.32-161,794,639.98-67,006,248.80

Finding the Fourth Proportional to 117,242,868.32, 161,794,639.98 and 67,006,248.80

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Solution

The fourth proportional to 117,242,868.32, 161,794,639.98 and 67,006,248.80 is: 92,468,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,242,868.32 : 161,794,639.98 = 67,006,248.80 : x
  2. Step 2: Convert to fraction form
    117,242,868.32/161,794,639.98 = 67,006,248.80/x
  3. Step 3: Cross multiply
    117,242,868.32x = 161,794,639.98 × 67,006,248.80
  4. Step 4: Simplify right side
    117,242,868.32x = 10,841,251,901,410,794
  5. Step 5: Solve for x
    x = 10,841,251,901,410,794/117,242,868.32
  6. Step 6: Final answer
    x = 92,468,327.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.