Home / 78,067,835,202.42-107,693,963,344.11-50,986,961,417.97

Finding the Fourth Proportional to 78,067,835,202.42, 107,693,963,344.11 and 50,986,961,417.97

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Solution

The fourth proportional to 78,067,835,202.42, 107,693,963,344.11 and 50,986,961,417.97 is: 70,336,111,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067,835,202.42 : 107,693,963,344.11 = 50,986,961,417.97 : x
  2. Step 2: Convert to fraction form
    78,067,835,202.42/107,693,963,344.11 = 50,986,961,417.97/x
  3. Step 3: Cross multiply
    78,067,835,202.42x = 107,693,963,344.11 × 50,986,961,417.97
  4. Step 4: Simplify right side
    78,067,835,202.42x = 5,490,987,953,974,412,312,576
  5. Step 5: Solve for x
    x = 5,490,987,953,974,412,312,576/78,067,835,202.42
  6. Step 6: Final answer
    x = 70,336,111,405.38

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1.5x scale

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.