Home / 163,539,262.02-225,686,842.38-89,199,803.73

Finding the Fourth Proportional to 163,539,262.02, 225,686,842.38 and 89,199,803.73

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Solution

The fourth proportional to 163,539,262.02, 225,686,842.38 and 89,199,803.73 is: 123,097,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,539,262.02 : 225,686,842.38 = 89,199,803.73 : x
  2. Step 2: Convert to fraction form
    163,539,262.02/225,686,842.38 = 89,199,803.73/x
  3. Step 3: Cross multiply
    163,539,262.02x = 225,686,842.38 × 89,199,803.73
  4. Step 4: Simplify right side
    163,539,262.02x = 20,131,222,044,739,448
  5. Step 5: Solve for x
    x = 20,131,222,044,739,448/163,539,262.02
  6. Step 6: Final answer
    x = 123,097,180.43

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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.