Home / 111,673,965.22-154,107,862.05-62,113,272.82

Finding the Fourth Proportional to 111,673,965.22, 154,107,862.05 and 62,113,272.82

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Solution

The fourth proportional to 111,673,965.22, 154,107,862.05 and 62,113,272.82 is: 85,715,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,673,965.22 : 154,107,862.05 = 62,113,272.82 : x
  2. Step 2: Convert to fraction form
    111,673,965.22/154,107,862.05 = 62,113,272.82/x
  3. Step 3: Cross multiply
    111,673,965.22x = 154,107,862.05 × 62,113,272.82
  4. Step 4: Simplify right side
    111,673,965.22x = 9,572,143,679,218,576
  5. Step 5: Solve for x
    x = 9,572,143,679,218,576/111,673,965.22
  6. Step 6: Final answer
    x = 85,715,087.31

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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.