Home / 86,111,834.72-118,863,127.92-51,315,436.64

Finding the Fourth Proportional to 86,111,834.72, 118,863,127.92 and 51,315,436.64

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Solution

The fourth proportional to 86,111,834.72, 118,863,127.92 and 51,315,436.64 is: 70,832,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,111,834.72 : 118,863,127.92 = 51,315,436.64 : x
  2. Step 2: Convert to fraction form
    86,111,834.72/118,863,127.92 = 51,315,436.64/x
  3. Step 3: Cross multiply
    86,111,834.72x = 118,863,127.92 × 51,315,436.64
  4. Step 4: Simplify right side
    86,111,834.72x = 6,099,513,309,610,975
  5. Step 5: Solve for x
    x = 6,099,513,309,610,975/86,111,834.72
  6. Step 6: Final answer
    x = 70,832,462.57

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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.