Home / 82,570,487.59-123,904,028.15-30,790,862.36

Finding the Fourth Proportional to 82,570,487.59, 123,904,028.15 and 30,790,862.36

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Solution

The fourth proportional to 82,570,487.59, 123,904,028.15 and 30,790,862.36 is: 46,204,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,570,487.59 : 123,904,028.15 = 30,790,862.36 : x
  2. Step 2: Convert to fraction form
    82,570,487.59/123,904,028.15 = 30,790,862.36/x
  3. Step 3: Cross multiply
    82,570,487.59x = 123,904,028.15 × 30,790,862.36
  4. Step 4: Simplify right side
    82,570,487.59x = 3,815,111,875,842,741
  5. Step 5: Solve for x
    x = 3,815,111,875,842,741/82,570,487.59
  6. Step 6: Final answer
    x = 46,204,303.59

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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.