Home / 78,067,835,200.48-107,693,963,341.44-50,986,961,416.03

Finding the Fourth Proportional to 78,067,835,200.48, 107,693,963,341.44 and 50,986,961,416.03

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Solution

The fourth proportional to 78,067,835,200.48, 107,693,963,341.44 and 50,986,961,416.03 is: 70,336,111,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067,835,200.48 : 107,693,963,341.44 = 50,986,961,416.03 : x
  2. Step 2: Convert to fraction form
    78,067,835,200.48/107,693,963,341.44 = 50,986,961,416.03/x
  3. Step 3: Cross multiply
    78,067,835,200.48x = 107,693,963,341.44 × 50,986,961,416.03
  4. Step 4: Simplify right side
    78,067,835,200.48x = 5,490,987,953,629,350,068,224
  5. Step 5: Solve for x
    x = 5,490,987,953,629,350,068,224/78,067,835,200.48
  6. Step 6: Final answer
    x = 70,336,111,402.71

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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.