Home / 156,529,387,980.60-234,916,525,977.30-72,693,507,348.60

Finding the Fourth Proportional to 156,529,387,980.60, 234,916,525,977.30 and 72,693,507,348.60

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Solution

The fourth proportional to 156,529,387,980.60, 234,916,525,977.30 and 72,693,507,348.60 is: 109,097,125,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,529,387,980.60 : 234,916,525,977.30 = 72,693,507,348.60 : x
  2. Step 2: Convert to fraction form
    156,529,387,980.60/234,916,525,977.30 = 72,693,507,348.60/x
  3. Step 3: Cross multiply
    156,529,387,980.60x = 234,916,525,977.30 × 72,693,507,348.60
  4. Step 4: Simplify right side
    156,529,387,980.60x = 17,076,906,207,438,440,497,152
  5. Step 5: Solve for x
    x = 17,076,906,207,438,440,497,152/156,529,387,980.60
  6. Step 6: Final answer
    x = 109,097,125,004.76

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1.5x scale

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.