Home / 132,078,728.93-181,968,721.83-102,206,649.02

Finding the Fourth Proportional to 132,078,728.93, 181,968,721.83 and 102,206,649.02

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Solution

The fourth proportional to 132,078,728.93, 181,968,721.83 and 102,206,649.02 is: 140,813,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,078,728.93 : 181,968,721.83 = 102,206,649.02 : x
  2. Step 2: Convert to fraction form
    132,078,728.93/181,968,721.83 = 102,206,649.02/x
  3. Step 3: Cross multiply
    132,078,728.93x = 181,968,721.83 × 102,206,649.02
  4. Step 4: Simplify right side
    132,078,728.93x = 18,598,413,283,786,980
  5. Step 5: Solve for x
    x = 18,598,413,283,786,980/132,078,728.93
  6. Step 6: Final answer
    x = 140,813,085.01

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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.