Home / 164,398,315.28-226,867,868.96-89,042,768.43

Finding the Fourth Proportional to 164,398,315.28, 226,867,868.96 and 89,042,768.43

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Solution

The fourth proportional to 164,398,315.28, 226,867,868.96 and 89,042,768.43 is: 122,878,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,398,315.28 : 226,867,868.96 = 89,042,768.43 : x
  2. Step 2: Convert to fraction form
    164,398,315.28/226,867,868.96 = 89,042,768.43/x
  3. Step 3: Cross multiply
    164,398,315.28x = 226,867,868.96 × 89,042,768.43
  4. Step 4: Simplify right side
    164,398,315.28x = 20,200,943,119,355,080
  5. Step 5: Solve for x
    x = 20,200,943,119,355,080/164,398,315.28
  6. Step 6: Final answer
    x = 122,878,042.18

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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.