Home / 81,874,254.08-112,973,134.11-48,379,072.25

Finding the Fourth Proportional to 81,874,254.08, 112,973,134.11 and 48,379,072.25

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Solution

The fourth proportional to 81,874,254.08, 112,973,134.11 and 48,379,072.25 is: 66,755,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,874,254.08 : 112,973,134.11 = 48,379,072.25 : x
  2. Step 2: Convert to fraction form
    81,874,254.08/112,973,134.11 = 48,379,072.25/x
  3. Step 3: Cross multiply
    81,874,254.08x = 112,973,134.11 × 48,379,072.25
  4. Step 4: Simplify right side
    81,874,254.08x = 5,465,535,417,416,629
  5. Step 5: Solve for x
    x = 5,465,535,417,416,629/81,874,254.08
  6. Step 6: Final answer
    x = 66,755,239.22

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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.