Home / 157,368,067.13-217,168,141.84-86,802,094.82

Finding the Fourth Proportional to 157,368,067.13, 217,168,141.84 and 86,802,094.82

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Solution

The fourth proportional to 157,368,067.13, 217,168,141.84 and 86,802,094.82 is: 119,787,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,368,067.13 : 217,168,141.84 = 86,802,094.82 : x
  2. Step 2: Convert to fraction form
    157,368,067.13/217,168,141.84 = 86,802,094.82/x
  3. Step 3: Cross multiply
    157,368,067.13x = 217,168,141.84 × 86,802,094.82
  4. Step 4: Simplify right side
    157,368,067.13x = 18,850,649,640,204,808
  5. Step 5: Solve for x
    x = 18,850,649,640,204,808/157,368,067.13
  6. Step 6: Final answer
    x = 119,787,006.24

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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.