Home / 85,159,832,434.57-117,495,055,232.98-49,029,935,914.43

Finding the Fourth Proportional to 85,159,832,434.57, 117,495,055,232.98 and 49,029,935,914.43

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Solution

The fourth proportional to 85,159,832,434.57, 117,495,055,232.98 and 49,029,935,914.43 is: 67,646,622,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159,832,434.57 : 117,495,055,232.98 = 49,029,935,914.43 : x
  2. Step 2: Convert to fraction form
    85,159,832,434.57/117,495,055,232.98 = 49,029,935,914.43/x
  3. Step 3: Cross multiply
    85,159,832,434.57x = 117,495,055,232.98 × 49,029,935,914.43
  4. Step 4: Simplify right side
    85,159,832,434.57x = 5,760,775,028,335,421,947,904
  5. Step 5: Solve for x
    x = 5,760,775,028,335,421,947,904/85,159,832,434.57
  6. Step 6: Final answer
    x = 67,646,622,399.84

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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.