Home / 55,775,663.60-76,972,284.84-30,996,894.92

Finding the Fourth Proportional to 55,775,663.60, 76,972,284.84 and 30,996,894.92

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Solution

The fourth proportional to 55,775,663.60, 76,972,284.84 and 30,996,894.92 is: 42,776,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,663.60 : 76,972,284.84 = 30,996,894.92 : x
  2. Step 2: Convert to fraction form
    55,775,663.60/76,972,284.84 = 30,996,894.92/x
  3. Step 3: Cross multiply
    55,775,663.60x = 76,972,284.84 × 30,996,894.92
  4. Step 4: Simplify right side
    55,775,663.60x = 2,385,901,824,937,789.50
  5. Step 5: Solve for x
    x = 2,385,901,824,937,789.50/55,775,663.60
  6. Step 6: Final answer
    x = 42,776,753.71

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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.