Home / 56,172,769.52-77,520,815.96-31,392,955.62

Finding the Fourth Proportional to 56,172,769.52, 77,520,815.96 and 31,392,955.62

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Solution

The fourth proportional to 56,172,769.52, 77,520,815.96 and 31,392,955.62 is: 43,323,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172,769.52 : 77,520,815.96 = 31,392,955.62 : x
  2. Step 2: Convert to fraction form
    56,172,769.52/77,520,815.96 = 31,392,955.62/x
  3. Step 3: Cross multiply
    56,172,769.52x = 77,520,815.96 × 31,392,955.62
  4. Step 4: Simplify right side
    56,172,769.52x = 2,433,607,535,058,467.50
  5. Step 5: Solve for x
    x = 2,433,607,535,058,467.50/56,172,769.52
  6. Step 6: Final answer
    x = 43,323,616.69

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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.