Home / 121,981,203,896-168,338,148,917.52-67,790,036,202.36

Finding the Fourth Proportional to 121,981,203,896, 168,338,148,917.52 and 67,790,036,202.36

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Solution

The fourth proportional to 121,981,203,896, 168,338,148,917.52 and 67,790,036,202.36 is: 93,552,521,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,981,203,896 : 168,338,148,917.52 = 67,790,036,202.36 : x
  2. Step 2: Convert to fraction form
    121,981,203,896/168,338,148,917.52 = 67,790,036,202.36/x
  3. Step 3: Cross multiply
    121,981,203,896x = 168,338,148,917.52 × 67,790,036,202.36
  4. Step 4: Simplify right side
    121,981,203,896x = 11,411,649,209,356,949,389,312
  5. Step 5: Solve for x
    x = 11,411,649,209,356,949,389,312/121,981,203,896
  6. Step 6: Final answer
    x = 93,552,521,576.08

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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.