Home / 156,529,387,974.60-234,916,525,968.30-72,693,507,342.60

Finding the Fourth Proportional to 156,529,387,974.60, 234,916,525,968.30 and 72,693,507,342.60

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Solution

The fourth proportional to 156,529,387,974.60, 234,916,525,968.30 and 72,693,507,342.60 is: 109,097,124,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,529,387,974.60 : 234,916,525,968.30 = 72,693,507,342.60 : x
  2. Step 2: Convert to fraction form
    156,529,387,974.60/234,916,525,968.30 = 72,693,507,342.60/x
  3. Step 3: Cross multiply
    156,529,387,974.60x = 234,916,525,968.30 × 72,693,507,342.60
  4. Step 4: Simplify right side
    156,529,387,974.60x = 17,076,906,205,374,700,322,816
  5. Step 5: Solve for x
    x = 17,076,906,205,374,700,322,816/156,529,387,974.60
  6. Step 6: Final answer
    x = 109,097,124,995.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.