Home / 78,555,646.02-117,843,251.25-26,736,266.58

Finding the Fourth Proportional to 78,555,646.02, 117,843,251.25 and 26,736,266.58

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Solution

The fourth proportional to 78,555,646.02, 117,843,251.25 and 26,736,266.58 is: 40,107,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,555,646.02 : 117,843,251.25 = 26,736,266.58 : x
  2. Step 2: Convert to fraction form
    78,555,646.02/117,843,251.25 = 26,736,266.58/x
  3. Step 3: Cross multiply
    78,555,646.02x = 117,843,251.25 × 26,736,266.58
  4. Step 4: Simplify right side
    78,555,646.02x = 3,150,688,580,073,918
  5. Step 5: Solve for x
    x = 3,150,688,580,073,918/78,555,646.02
  6. Step 6: Final answer
    x = 40,107,729.23

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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.