Home / 78,067,835,197.35-107,693,963,337.13-50,986,961,412.89

Finding the Fourth Proportional to 78,067,835,197.35, 107,693,963,337.13 and 50,986,961,412.89

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Solution

The fourth proportional to 78,067,835,197.35, 107,693,963,337.13 and 50,986,961,412.89 is: 70,336,111,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067,835,197.35 : 107,693,963,337.13 = 50,986,961,412.89 : x
  2. Step 2: Convert to fraction form
    78,067,835,197.35/107,693,963,337.13 = 50,986,961,412.89/x
  3. Step 3: Cross multiply
    78,067,835,197.35x = 107,693,963,337.13 × 50,986,961,412.89
  4. Step 4: Simplify right side
    78,067,835,197.35x = 5,490,987,953,071,760,343,040
  5. Step 5: Solve for x
    x = 5,490,987,953,071,760,343,040/78,067,835,197.35
  6. Step 6: Final answer
    x = 70,336,111,398.39

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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.