Home / 56,006,216.88-77,288,121.72-31,226,109.36

Finding the Fourth Proportional to 56,006,216.88, 77,288,121.72 and 31,226,109.36

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Solution

The fourth proportional to 56,006,216.88, 77,288,121.72 and 31,226,109.36 is: 43,091,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,006,216.88 : 77,288,121.72 = 31,226,109.36 : x
  2. Step 2: Convert to fraction form
    56,006,216.88/77,288,121.72 = 31,226,109.36/x
  3. Step 3: Cross multiply
    56,006,216.88x = 77,288,121.72 × 31,226,109.36
  4. Step 4: Simplify right side
    56,006,216.88x = 2,413,407,341,057,711
  5. Step 5: Solve for x
    x = 2,413,407,341,057,711/56,006,216.88
  6. Step 6: Final answer
    x = 43,091,775.80

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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.