Home / 56,865,372,769.89-78,476,681,201.37-31,490,844,101.71

Finding the Fourth Proportional to 56,865,372,769.89, 78,476,681,201.37 and 31,490,844,101.71

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Solution

The fourth proportional to 56,865,372,769.89, 78,476,681,201.37 and 31,490,844,101.71 is: 43,458,730,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865,372,769.89 : 78,476,681,201.37 = 31,490,844,101.71 : x
  2. Step 2: Convert to fraction form
    56,865,372,769.89/78,476,681,201.37 = 31,490,844,101.71/x
  3. Step 3: Cross multiply
    56,865,372,769.89x = 78,476,681,201.37 × 31,490,844,101.71
  4. Step 4: Simplify right side
    56,865,372,769.89x = 2,471,296,933,331,781,287,936
  5. Step 5: Solve for x
    x = 2,471,296,933,331,781,287,936/56,865,372,769.89
  6. Step 6: Final answer
    x = 43,458,730,910.50

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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.