Home / 100,840,804.86-151,266,571.02-31,759,010.73

Finding the Fourth Proportional to 100,840,804.86, 151,266,571.02 and 31,759,010.73

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Solution

The fourth proportional to 100,840,804.86, 151,266,571.02 and 31,759,010.73 is: 47,640,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,840,804.86 : 151,266,571.02 = 31,759,010.73 : x
  2. Step 2: Convert to fraction form
    100,840,804.86/151,266,571.02 = 31,759,010.73/x
  3. Step 3: Cross multiply
    100,840,804.86x = 151,266,571.02 × 31,759,010.73
  4. Step 4: Simplify right side
    100,840,804.86x = 4,804,076,652,114,487
  5. Step 5: Solve for x
    x = 4,804,076,652,114,487/100,840,804.86
  6. Step 6: Final answer
    x = 47,640,205.36

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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.