Home / 71,729,030,684.88-98,979,548,122.44-40,040,812,962

Finding the Fourth Proportional to 71,729,030,684.88, 98,979,548,122.44 and 40,040,812,962

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Solution

The fourth proportional to 71,729,030,684.88, 98,979,548,122.44 and 40,040,812,962 is: 55,252,685,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,729,030,684.88 : 98,979,548,122.44 = 40,040,812,962 : x
  2. Step 2: Convert to fraction form
    71,729,030,684.88/98,979,548,122.44 = 40,040,812,962/x
  3. Step 3: Cross multiply
    71,729,030,684.88x = 98,979,548,122.44 × 40,040,812,962
  4. Step 4: Simplify right side
    71,729,030,684.88x = 3,963,221,573,433,898,303,488
  5. Step 5: Solve for x
    x = 3,963,221,573,433,898,303,488/71,729,030,684.88
  6. Step 6: Final answer
    x = 55,252,685,496.97

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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.