Home / 220,485,892.60-330,835,127.10-155,650,090.60

Finding the Fourth Proportional to 220,485,892.60, 330,835,127.10 and 155,650,090.60

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Solution

The fourth proportional to 220,485,892.60, 330,835,127.10 and 155,650,090.60 is: 233,550,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,485,892.60 : 330,835,127.10 = 155,650,090.60 : x
  2. Step 2: Convert to fraction form
    220,485,892.60/330,835,127.10 = 155,650,090.60/x
  3. Step 3: Cross multiply
    220,485,892.60x = 330,835,127.10 × 155,650,090.60
  4. Step 4: Simplify right side
    220,485,892.60x = 51,494,517,506,777,520
  5. Step 5: Solve for x
    x = 51,494,517,506,777,520/220,485,892.60
  6. Step 6: Final answer
    x = 233,550,169.13

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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.