Home / 82,876,558.47-124,327,607.36-28,276,417.05

Finding the Fourth Proportional to 82,876,558.47, 124,327,607.36 and 28,276,417.05

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Solution

The fourth proportional to 82,876,558.47, 124,327,607.36 and 28,276,417.05 is: 42,418,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,876,558.47 : 124,327,607.36 = 28,276,417.05 : x
  2. Step 2: Convert to fraction form
    82,876,558.47/124,327,607.36 = 28,276,417.05/x
  3. Step 3: Cross multiply
    82,876,558.47x = 124,327,607.36 × 28,276,417.05
  4. Step 4: Simplify right side
    82,876,558.47x = 3,515,539,276,398,627.50
  5. Step 5: Solve for x
    x = 3,515,539,276,398,627.50/82,876,558.47
  6. Step 6: Final answer
    x = 42,418,982.42

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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.