Home / 78,573,904,753.32-108,452,163,394.86-51,175,764,965.52

Finding the Fourth Proportional to 78,573,904,753.32, 108,452,163,394.86 and 51,175,764,965.52

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Solution

The fourth proportional to 78,573,904,753.32, 108,452,163,394.86 and 51,175,764,965.52 is: 70,635,695,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,573,904,753.32 : 108,452,163,394.86 = 51,175,764,965.52 : x
  2. Step 2: Convert to fraction form
    78,573,904,753.32/108,452,163,394.86 = 51,175,764,965.52/x
  3. Step 3: Cross multiply
    78,573,904,753.32x = 108,452,163,394.86 × 51,175,764,965.52
  4. Step 4: Simplify right side
    78,573,904,753.32x = 5,550,122,423,897,526,632,448
  5. Step 5: Solve for x
    x = 5,550,122,423,897,526,632,448/78,573,904,753.32
  6. Step 6: Final answer
    x = 70,635,695,671.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.