Home / 201,067,655.20-301,601,482.80-71,679,486.40

Finding the Fourth Proportional to 201,067,655.20, 301,601,482.80 and 71,679,486.40

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Solution

The fourth proportional to 201,067,655.20, 301,601,482.80 and 71,679,486.40 is: 107,519,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,067,655.20 : 301,601,482.80 = 71,679,486.40 : x
  2. Step 2: Convert to fraction form
    201,067,655.20/301,601,482.80 = 71,679,486.40/x
  3. Step 3: Cross multiply
    201,067,655.20x = 301,601,482.80 × 71,679,486.40
  4. Step 4: Simplify right side
    201,067,655.20x = 21,618,639,384,582,436
  5. Step 5: Solve for x
    x = 21,618,639,384,582,436/201,067,655.20
  6. Step 6: Final answer
    x = 107,519,229.60

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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.