Home / 167,988,492.30-231,824,066.67-90,726,156.30

Finding the Fourth Proportional to 167,988,492.30, 231,824,066.67 and 90,726,156.30

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Solution

The fourth proportional to 167,988,492.30, 231,824,066.67 and 90,726,156.30 is: 125,202,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,988,492.30 : 231,824,066.67 = 90,726,156.30 : x
  2. Step 2: Convert to fraction form
    167,988,492.30/231,824,066.67 = 90,726,156.30/x
  3. Step 3: Cross multiply
    167,988,492.30x = 231,824,066.67 × 90,726,156.30
  4. Step 4: Simplify right side
    167,988,492.30x = 21,032,506,506,804,040
  5. Step 5: Solve for x
    x = 21,032,506,506,804,040/167,988,492.30
  6. Step 6: Final answer
    x = 125,202,067.23

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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.