Home / 71,729,030,682.88-98,979,548,119.68-40,040,812,960

Finding the Fourth Proportional to 71,729,030,682.88, 98,979,548,119.68 and 40,040,812,960

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Solution

The fourth proportional to 71,729,030,682.88, 98,979,548,119.68 and 40,040,812,960 is: 55,252,685,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,729,030,682.88 : 98,979,548,119.68 = 40,040,812,960 : x
  2. Step 2: Convert to fraction form
    71,729,030,682.88/98,979,548,119.68 = 40,040,812,960/x
  3. Step 3: Cross multiply
    71,729,030,682.88x = 98,979,548,119.68 × 40,040,812,960
  4. Step 4: Simplify right side
    71,729,030,682.88x = 3,963,221,573,125,426,118,656
  5. Step 5: Solve for x
    x = 3,963,221,573,125,426,118,656/71,729,030,682.88
  6. Step 6: Final answer
    x = 55,252,685,494.21

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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.