Home / 368,072,002.60-551,639,111.10-195,631,426.60

Finding the Fourth Proportional to 368,072,002.60, 551,639,111.10 and 195,631,426.60

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Solution

The fourth proportional to 368,072,002.60, 551,639,111.10 and 195,631,426.60 is: 293,197,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,072,002.60 : 551,639,111.10 = 195,631,426.60 : x
  2. Step 2: Convert to fraction form
    368,072,002.60/551,639,111.10 = 195,631,426.60/x
  3. Step 3: Cross multiply
    368,072,002.60x = 551,639,111.10 × 195,631,426.60
  4. Step 4: Simplify right side
    368,072,002.60x = 107,917,946,272,848,896
  5. Step 5: Solve for x
    x = 107,917,946,272,848,896/368,072,002.60
  6. Step 6: Final answer
    x = 293,197,921.90

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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.