Home / 77,512,817.01-116,265,360.53-28,987,103.33

Finding the Fourth Proportional to 77,512,817.01, 116,265,360.53 and 28,987,103.33

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Solution

The fourth proportional to 77,512,817.01, 116,265,360.53 and 28,987,103.33 is: 43,479,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,512,817.01 : 116,265,360.53 = 28,987,103.33 : x
  2. Step 2: Convert to fraction form
    77,512,817.01/116,265,360.53 = 28,987,103.33/x
  3. Step 3: Cross multiply
    77,512,817.01x = 116,265,360.53 × 28,987,103.33
  4. Step 4: Simplify right side
    77,512,817.01x = 3,370,196,018,656,551.50
  5. Step 5: Solve for x
    x = 3,370,196,018,656,551.50/77,512,817.01
  6. Step 6: Final answer
    x = 43,479,209.62

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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.