Home / 131,594,270.70-181,612,276.45-72,856,936.41

Finding the Fourth Proportional to 131,594,270.70, 181,612,276.45 and 72,856,936.41

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Solution

The fourth proportional to 131,594,270.70, 181,612,276.45 and 72,856,936.41 is: 100,549,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,594,270.70 : 181,612,276.45 = 72,856,936.41 : x
  2. Step 2: Convert to fraction form
    131,594,270.70/181,612,276.45 = 72,856,936.41/x
  3. Step 3: Cross multiply
    131,594,270.70x = 181,612,276.45 × 72,856,936.41
  4. Step 4: Simplify right side
    131,594,270.70x = 13,231,714,075,729,802
  5. Step 5: Solve for x
    x = 13,231,714,075,729,802/131,594,270.70
  6. Step 6: Final answer
    x = 100,549,317.27

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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.