Home / 71,697,794,505.26-98,987,609,424.66-45,640,862,100.16

Finding the Fourth Proportional to 71,697,794,505.26, 98,987,609,424.66 and 45,640,862,100.16

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Solution

The fourth proportional to 71,697,794,505.26, 98,987,609,424.66 and 45,640,862,100.16 is: 63,012,814,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,697,794,505.26 : 98,987,609,424.66 = 45,640,862,100.16 : x
  2. Step 2: Convert to fraction form
    71,697,794,505.26/98,987,609,424.66 = 45,640,862,100.16/x
  3. Step 3: Cross multiply
    71,697,794,505.26x = 98,987,609,424.66 × 45,640,862,100.16
  4. Step 4: Simplify right side
    71,697,794,505.26x = 4,517,879,831,375,406,170,112
  5. Step 5: Solve for x
    x = 4,517,879,831,375,406,170,112/71,697,794,505.26
  6. Step 6: Final answer
    x = 63,012,814,585.87

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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.