Home / 141,555,663.72-195,307,339.32-91,298,616.48

Finding the Fourth Proportional to 141,555,663.72, 195,307,339.32 and 91,298,616.48

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Solution

The fourth proportional to 141,555,663.72, 195,307,339.32 and 91,298,616.48 is: 125,966,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,555,663.72 : 195,307,339.32 = 91,298,616.48 : x
  2. Step 2: Convert to fraction form
    141,555,663.72/195,307,339.32 = 91,298,616.48/x
  3. Step 3: Cross multiply
    141,555,663.72x = 195,307,339.32 × 91,298,616.48
  4. Step 4: Simplify right side
    141,555,663.72x = 17,831,289,868,305,904
  5. Step 5: Solve for x
    x = 17,831,289,868,305,904/141,555,663.72
  6. Step 6: Final answer
    x = 125,966,629.66

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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.