Home / 167,425,461.36-231,060,078.71-100,446,940.10

Finding the Fourth Proportional to 167,425,461.36, 231,060,078.71 and 100,446,940.10

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Solution

The fourth proportional to 167,425,461.36, 231,060,078.71 and 100,446,940.10 is: 138,624,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,425,461.36 : 231,060,078.71 = 100,446,940.10 : x
  2. Step 2: Convert to fraction form
    167,425,461.36/231,060,078.71 = 100,446,940.10/x
  3. Step 3: Cross multiply
    167,425,461.36x = 231,060,078.71 × 100,446,940.10
  4. Step 4: Simplify right side
    167,425,461.36x = 23,209,277,885,684,656
  5. Step 5: Solve for x
    x = 23,209,277,885,684,656/167,425,461.36
  6. Step 6: Final answer
    x = 138,624,541.91

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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.