Home / 78,573,904,754.32-108,452,163,396.24-51,175,764,966.52

Finding the Fourth Proportional to 78,573,904,754.32, 108,452,163,396.24 and 51,175,764,966.52

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Solution

The fourth proportional to 78,573,904,754.32, 108,452,163,396.24 and 51,175,764,966.52 is: 70,635,695,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,573,904,754.32 : 108,452,163,396.24 = 51,175,764,966.52 : x
  2. Step 2: Convert to fraction form
    78,573,904,754.32/108,452,163,396.24 = 51,175,764,966.52/x
  3. Step 3: Cross multiply
    78,573,904,754.32x = 108,452,163,396.24 × 51,175,764,966.52
  4. Step 4: Simplify right side
    78,573,904,754.32x = 5,550,122,424,076,601,393,152
  5. Step 5: Solve for x
    x = 5,550,122,424,076,601,393,152/78,573,904,754.32
  6. Step 6: Final answer
    x = 70,635,695,673.14

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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.