Home / 204,735,992.40-307,103,988.60-66,561,332.40

Finding the Fourth Proportional to 204,735,992.40, 307,103,988.60 and 66,561,332.40

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Solution

The fourth proportional to 204,735,992.40, 307,103,988.60 and 66,561,332.40 is: 99,841,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,735,992.40 : 307,103,988.60 = 66,561,332.40 : x
  2. Step 2: Convert to fraction form
    204,735,992.40/307,103,988.60 = 66,561,332.40/x
  3. Step 3: Cross multiply
    204,735,992.40x = 307,103,988.60 × 66,561,332.40
  4. Step 4: Simplify right side
    204,735,992.40x = 20,441,250,666,570,412
  5. Step 5: Solve for x
    x = 20,441,250,666,570,412/204,735,992.40
  6. Step 6: Final answer
    x = 99,841,998.60

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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.