Home / 81,569,428.58-112,568,781.84-44,397,913.64

Finding the Fourth Proportional to 81,569,428.58, 112,568,781.84 and 44,397,913.64

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Solution

The fourth proportional to 81,569,428.58, 112,568,781.84 and 44,397,913.64 is: 61,270,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,569,428.58 : 112,568,781.84 = 44,397,913.64 : x
  2. Step 2: Convert to fraction form
    81,569,428.58/112,568,781.84 = 44,397,913.64/x
  3. Step 3: Cross multiply
    81,569,428.58x = 112,568,781.84 × 44,397,913.64
  4. Step 4: Simplify right side
    81,569,428.58x = 4,997,819,054,692,321
  5. Step 5: Solve for x
    x = 4,997,819,054,692,321/81,569,428.58
  6. Step 6: Final answer
    x = 61,270,737.60

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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.