Home / 78,377,726.29-117,552,842.01-29,858,491.59

Finding the Fourth Proportional to 78,377,726.29, 117,552,842.01 and 29,858,491.59

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Solution

The fourth proportional to 78,377,726.29, 117,552,842.01 and 29,858,491.59 is: 44,782,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,377,726.29 : 117,552,842.01 = 29,858,491.59 : x
  2. Step 2: Convert to fraction form
    78,377,726.29/117,552,842.01 = 29,858,491.59/x
  3. Step 3: Cross multiply
    78,377,726.29x = 117,552,842.01 × 29,858,491.59
  4. Step 4: Simplify right side
    78,377,726.29x = 3,509,950,544,536,184
  5. Step 5: Solve for x
    x = 3,509,950,544,536,184/78,377,726.29
  6. Step 6: Final answer
    x = 44,782,500.22

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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.