Home / 68,773,903.20-94,908,774.60-39,404,647.44

Finding the Fourth Proportional to 68,773,903.20, 94,908,774.60 and 39,404,647.44

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Solution

The fourth proportional to 68,773,903.20, 94,908,774.60 and 39,404,647.44 is: 54,378,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,773,903.20 : 94,908,774.60 = 39,404,647.44 : x
  2. Step 2: Convert to fraction form
    68,773,903.20/94,908,774.60 = 39,404,647.44/x
  3. Step 3: Cross multiply
    68,773,903.20x = 94,908,774.60 × 39,404,647.44
  4. Step 4: Simplify right side
    68,773,903.20x = 3,739,846,802,075,426.50
  5. Step 5: Solve for x
    x = 3,739,846,802,075,426.50/68,773,903.20
  6. Step 6: Final answer
    x = 54,378,865.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.