Home / 71,077,880.26-98,070,603.69-43,200,103.78

Finding the Fourth Proportional to 71,077,880.26, 98,070,603.69 and 43,200,103.78

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Solution

The fourth proportional to 71,077,880.26, 98,070,603.69 and 43,200,103.78 is: 59,605,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077,880.26 : 98,070,603.69 = 43,200,103.78 : x
  2. Step 2: Convert to fraction form
    71,077,880.26/98,070,603.69 = 43,200,103.78/x
  3. Step 3: Cross multiply
    71,077,880.26x = 98,070,603.69 × 43,200,103.78
  4. Step 4: Simplify right side
    71,077,880.26x = 4,236,660,257,175,251
  5. Step 5: Solve for x
    x = 4,236,660,257,175,251/71,077,880.26
  6. Step 6: Final answer
    x = 59,605,889.23

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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.