Home / 172,248,977.28-237,703,964.60-97,909,993.25

Finding the Fourth Proportional to 172,248,977.28, 237,703,964.60 and 97,909,993.25

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Solution

The fourth proportional to 172,248,977.28, 237,703,964.60 and 97,909,993.25 is: 135,116,004.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,248,977.28 : 237,703,964.60 = 97,909,993.25 : x
  2. Step 2: Convert to fraction form
    172,248,977.28/237,703,964.60 = 97,909,993.25/x
  3. Step 3: Cross multiply
    172,248,977.28x = 237,703,964.60 × 97,909,993.25
  4. Step 4: Simplify right side
    172,248,977.28x = 23,273,593,568,880,652
  5. Step 5: Solve for x
    x = 23,273,593,568,880,652/172,248,977.28
  6. Step 6: Final answer
    x = 135,116,004.38

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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.