Home / 112,371,699.62-168,557,766.27-43,317,021.86

Finding the Fourth Proportional to 112,371,699.62, 168,557,766.27 and 43,317,021.86

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Solution

The fourth proportional to 112,371,699.62, 168,557,766.27 and 43,317,021.86 is: 64,975,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,699.62 : 168,557,766.27 = 43,317,021.86 : x
  2. Step 2: Convert to fraction form
    112,371,699.62/168,557,766.27 = 43,317,021.86/x
  3. Step 3: Cross multiply
    112,371,699.62x = 168,557,766.27 × 43,317,021.86
  4. Step 4: Simplify right side
    112,371,699.62x = 7,301,420,446,190,361
  5. Step 5: Solve for x
    x = 7,301,420,446,190,361/112,371,699.62
  6. Step 6: Final answer
    x = 64,975,616.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.