Home / 78,171,382.36-117,180,822.44-37,219,818.30

Finding the Fourth Proportional to 78,171,382.36, 117,180,822.44 and 37,219,818.30

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Solution

The fourth proportional to 78,171,382.36, 117,180,822.44 and 37,219,818.30 is: 55,793,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,171,382.36 : 117,180,822.44 = 37,219,818.30 : x
  2. Step 2: Convert to fraction form
    78,171,382.36/117,180,822.44 = 37,219,818.30/x
  3. Step 3: Cross multiply
    78,171,382.36x = 117,180,822.44 × 37,219,818.30
  4. Step 4: Simplify right side
    78,171,382.36x = 4,361,448,919,461,362
  5. Step 5: Solve for x
    x = 4,361,448,919,461,362/78,171,382.36
  6. Step 6: Final answer
    x = 55,793,421.94

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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.