Home / 85,159,832,435.07-117,495,055,233.67-49,029,935,914.93

Finding the Fourth Proportional to 85,159,832,435.07, 117,495,055,233.67 and 49,029,935,914.93

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Solution

The fourth proportional to 85,159,832,435.07, 117,495,055,233.67 and 49,029,935,914.93 is: 67,646,622,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159,832,435.07 : 117,495,055,233.67 = 49,029,935,914.93 : x
  2. Step 2: Convert to fraction form
    85,159,832,435.07/117,495,055,233.67 = 49,029,935,914.93/x
  3. Step 3: Cross multiply
    85,159,832,435.07x = 117,495,055,233.67 × 49,029,935,914.93
  4. Step 4: Simplify right side
    85,159,832,435.07x = 5,760,775,028,428,000,722,944
  5. Step 5: Solve for x
    x = 5,760,775,028,428,000,722,944/85,159,832,435.07
  6. Step 6: Final answer
    x = 67,646,622,400.53

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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.