Home / 373,445,687.79-515,355,762.32-206,182,272.66

Finding the Fourth Proportional to 373,445,687.79, 515,355,762.32 and 206,182,272.66

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Solution

The fourth proportional to 373,445,687.79, 515,355,762.32 and 206,182,272.66 is: 284,531,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,445,687.79 : 515,355,762.32 = 206,182,272.66 : x
  2. Step 2: Convert to fraction form
    373,445,687.79/515,355,762.32 = 206,182,272.66/x
  3. Step 3: Cross multiply
    373,445,687.79x = 515,355,762.32 × 206,182,272.66
  4. Step 4: Simplify right side
    373,445,687.79x = 106,257,222,301,374,080
  5. Step 5: Solve for x
    x = 106,257,222,301,374,080/373,445,687.79
  6. Step 6: Final answer
    x = 284,531,930.01

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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.