Home / 353,862,961.53-488,333,153.73-197,239,999.71

Finding the Fourth Proportional to 353,862,961.53, 488,333,153.73 and 197,239,999.71

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Solution

The fourth proportional to 353,862,961.53, 488,333,153.73 and 197,239,999.71 is: 272,192,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,862,961.53 : 488,333,153.73 = 197,239,999.71 : x
  2. Step 2: Convert to fraction form
    353,862,961.53/488,333,153.73 = 197,239,999.71/x
  3. Step 3: Cross multiply
    353,862,961.53x = 488,333,153.73 × 197,239,999.71
  4. Step 4: Simplify right side
    353,862,961.53x = 96,318,831,100,088,592
  5. Step 5: Solve for x
    x = 96,318,831,100,088,592/353,862,961.53
  6. Step 6: Final answer
    x = 272,192,463.10

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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.