Home / 78,174,355.60-117,185,269.02-37,222,795.18

Finding the Fourth Proportional to 78,174,355.60, 117,185,269.02 and 37,222,795.18

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Solution

The fourth proportional to 78,174,355.60, 117,185,269.02 and 37,222,795.18 is: 55,797,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,174,355.60 : 117,185,269.02 = 37,222,795.18 : x
  2. Step 2: Convert to fraction form
    78,174,355.60/117,185,269.02 = 37,222,795.18/x
  3. Step 3: Cross multiply
    78,174,355.60x = 117,185,269.02 × 37,222,795.18
  4. Step 4: Simplify right side
    78,174,355.60x = 4,361,963,266,851,555
  5. Step 5: Solve for x
    x = 4,361,963,266,851,555/78,174,355.60
  6. Step 6: Final answer
    x = 55,797,879.41

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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.