Home / 56,023,352.52-77,312,071.10-31,243,562.72

Finding the Fourth Proportional to 56,023,352.52, 77,312,071.10 and 31,243,562.72

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Solution

The fourth proportional to 56,023,352.52, 77,312,071.10 and 31,243,562.72 is: 43,116,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,023,352.52 : 77,312,071.10 = 31,243,562.72 : x
  2. Step 2: Convert to fraction form
    56,023,352.52/77,312,071.10 = 31,243,562.72/x
  3. Step 3: Cross multiply
    56,023,352.52x = 77,312,071.10 × 31,243,562.72
  4. Step 4: Simplify right side
    56,023,352.52x = 2,415,504,542,425,949
  5. Step 5: Solve for x
    x = 2,415,504,542,425,949/56,023,352.52
  6. Step 6: Final answer
    x = 43,116,029.90

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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.