Home / 78,377,725.29-117,552,840.51-29,858,490.59

Finding the Fourth Proportional to 78,377,725.29, 117,552,840.51 and 29,858,490.59

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Solution

The fourth proportional to 78,377,725.29, 117,552,840.51 and 29,858,490.59 is: 44,782,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,377,725.29 : 117,552,840.51 = 29,858,490.59 : x
  2. Step 2: Convert to fraction form
    78,377,725.29/117,552,840.51 = 29,858,490.59/x
  3. Step 3: Cross multiply
    78,377,725.29x = 117,552,840.51 × 29,858,490.59
  4. Step 4: Simplify right side
    78,377,725.29x = 3,509,950,382,297,143
  5. Step 5: Solve for x
    x = 3,509,950,382,297,143/78,377,725.29
  6. Step 6: Final answer
    x = 44,782,498.72

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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.