Home / 79,006,317.12-118,484,879.22-27,876,356.64

Finding the Fourth Proportional to 79,006,317.12, 118,484,879.22 and 27,876,356.64

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Solution

The fourth proportional to 79,006,317.12, 118,484,879.22 and 27,876,356.64 is: 41,805,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,006,317.12 : 118,484,879.22 = 27,876,356.64 : x
  2. Step 2: Convert to fraction form
    79,006,317.12/118,484,879.22 = 27,876,356.64/x
  3. Step 3: Cross multiply
    79,006,317.12x = 118,484,879.22 × 27,876,356.64
  4. Step 4: Simplify right side
    79,006,317.12x = 3,302,926,749,584,045
  5. Step 5: Solve for x
    x = 3,302,926,749,584,045/79,006,317.12
  6. Step 6: Final answer
    x = 41,805,856.42

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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.