Home / 211,809,882,691.14-292,295,222,549.54-115,463,843,718.28

Finding the Fourth Proportional to 211,809,882,691.14, 292,295,222,549.54 and 115,463,843,718.28

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Solution

The fourth proportional to 211,809,882,691.14, 292,295,222,549.54 and 115,463,843,718.28 is: 159,338,787,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,809,882,691.14 : 292,295,222,549.54 = 115,463,843,718.28 : x
  2. Step 2: Convert to fraction form
    211,809,882,691.14/292,295,222,549.54 = 115,463,843,718.28/x
  3. Step 3: Cross multiply
    211,809,882,691.14x = 292,295,222,549.54 × 115,463,843,718.28
  4. Step 4: Simplify right side
    211,809,882,691.14x = 33,749,529,896,059,955,838,976
  5. Step 5: Solve for x
    x = 33,749,529,896,059,955,838,976/211,809,882,691.14
  6. Step 6: Final answer
    x = 159,338,787,535.58

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1.5x scale

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.