Home / 163,091,798.40-225,066,718.89-89,752,940.40

Finding the Fourth Proportional to 163,091,798.40, 225,066,718.89 and 89,752,940.40

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Solution

The fourth proportional to 163,091,798.40, 225,066,718.89 and 89,752,940.40 is: 123,859,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,091,798.40 : 225,066,718.89 = 89,752,940.40 : x
  2. Step 2: Convert to fraction form
    163,091,798.40/225,066,718.89 = 89,752,940.40/x
  3. Step 3: Cross multiply
    163,091,798.40x = 225,066,718.89 × 89,752,940.40
  4. Step 4: Simplify right side
    163,091,798.40x = 20,200,399,806,557,724
  5. Step 5: Solve for x
    x = 20,200,399,806,557,724/163,091,798.40
  6. Step 6: Final answer
    x = 123,859,078.17

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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.