Home / 57,193,049.52-78,926,969.16-31,087,551.24

Finding the Fourth Proportional to 57,193,049.52, 78,926,969.16 and 31,087,551.24

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Solution

The fourth proportional to 57,193,049.52, 78,926,969.16 and 31,087,551.24 is: 42,901,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193,049.52 : 78,926,969.16 = 31,087,551.24 : x
  2. Step 2: Convert to fraction form
    57,193,049.52/78,926,969.16 = 31,087,551.24/x
  3. Step 3: Cross multiply
    57,193,049.52x = 78,926,969.16 × 31,087,551.24
  4. Step 4: Simplify right side
    57,193,049.52x = 2,453,646,197,979,399.50
  5. Step 5: Solve for x
    x = 2,453,646,197,979,399.50/57,193,049.52
  6. Step 6: Final answer
    x = 42,901,125.55

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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.