Home / 57,721,415.99-79,654,569.53-31,259,554.88

Finding the Fourth Proportional to 57,721,415.99, 79,654,569.53 and 31,259,554.88

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Solution

The fourth proportional to 57,721,415.99, 79,654,569.53 and 31,259,554.88 is: 43,137,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721,415.99 : 79,654,569.53 = 31,259,554.88 : x
  2. Step 2: Convert to fraction form
    57,721,415.99/79,654,569.53 = 31,259,554.88/x
  3. Step 3: Cross multiply
    57,721,415.99x = 79,654,569.53 × 31,259,554.88
  4. Step 4: Simplify right side
    57,721,415.99x = 2,489,966,387,111,240.50
  5. Step 5: Solve for x
    x = 2,489,966,387,111,240.50/57,721,415.99
  6. Step 6: Final answer
    x = 43,137,652.54

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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.