Home / 100,131,261.48-149,927,795.53-63,541,548.63

Finding the Fourth Proportional to 100,131,261.48, 149,927,795.53 and 63,541,548.63

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Solution

The fourth proportional to 100,131,261.48, 149,927,795.53 and 63,541,548.63 is: 95,141,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,131,261.48 : 149,927,795.53 = 63,541,548.63 : x
  2. Step 2: Convert to fraction form
    100,131,261.48/149,927,795.53 = 63,541,548.63/x
  3. Step 3: Cross multiply
    100,131,261.48x = 149,927,795.53 × 63,541,548.63
  4. Step 4: Simplify right side
    100,131,261.48x = 9,526,644,310,499,338
  5. Step 5: Solve for x
    x = 9,526,644,310,499,338/100,131,261.48
  6. Step 6: Final answer
    x = 95,141,558.89

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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.