Home / 233,074,015.07-321,642,172.28-128,652,106.10

Finding the Fourth Proportional to 233,074,015.07, 321,642,172.28 and 128,652,106.10

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Solution

The fourth proportional to 233,074,015.07, 321,642,172.28 and 128,652,106.10 is: 177,539,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,074,015.07 : 321,642,172.28 = 128,652,106.10 : x
  2. Step 2: Convert to fraction form
    233,074,015.07/321,642,172.28 = 128,652,106.10/x
  3. Step 3: Cross multiply
    233,074,015.07x = 321,642,172.28 × 128,652,106.10
  4. Step 4: Simplify right side
    233,074,015.07x = 41,379,942,873,114,464
  5. Step 5: Solve for x
    x = 41,379,942,873,114,464/233,074,015.07
  6. Step 6: Final answer
    x = 177,539,923.79

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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.