Home / 163,091,799.28-225,066,720.10-89,752,941.28

Finding the Fourth Proportional to 163,091,799.28, 225,066,720.10 and 89,752,941.28

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Solution

The fourth proportional to 163,091,799.28, 225,066,720.10 and 89,752,941.28 is: 123,859,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,091,799.28 : 225,066,720.10 = 89,752,941.28 : x
  2. Step 2: Convert to fraction form
    163,091,799.28/225,066,720.10 = 89,752,941.28/x
  3. Step 3: Cross multiply
    163,091,799.28x = 225,066,720.10 × 89,752,941.28
  4. Step 4: Simplify right side
    163,091,799.28x = 20,200,400,113,217,496
  5. Step 5: Solve for x
    x = 20,200,400,113,217,496/163,091,799.28
  6. Step 6: Final answer
    x = 123,859,079.38

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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.