Home / 57,205,057.52-78,943,877.57-31,099,675.04

Finding the Fourth Proportional to 57,205,057.52, 78,943,877.57 and 31,099,675.04

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Solution

The fourth proportional to 57,205,057.52, 78,943,877.57 and 31,099,675.04 is: 42,918,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,205,057.52 : 78,943,877.57 = 31,099,675.04 : x
  2. Step 2: Convert to fraction form
    57,205,057.52/78,943,877.57 = 31,099,675.04/x
  3. Step 3: Cross multiply
    57,205,057.52x = 78,943,877.57 × 31,099,675.04
  4. Step 4: Simplify right side
    57,205,057.52x = 2,455,128,938,274,327
  5. Step 5: Solve for x
    x = 2,455,128,938,274,327/57,205,057.52
  6. Step 6: Final answer
    x = 42,918,039.85

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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.