Home / 233,078,479.56-321,648,253.29-128,656,523.34

Finding the Fourth Proportional to 233,078,479.56, 321,648,253.29 and 128,656,523.34

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Solution

The fourth proportional to 233,078,479.56, 321,648,253.29 and 128,656,523.34 is: 177,545,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,078,479.56 : 321,648,253.29 = 128,656,523.34 : x
  2. Step 2: Convert to fraction form
    233,078,479.56/321,648,253.29 = 128,656,523.34/x
  3. Step 3: Cross multiply
    233,078,479.56x = 321,648,253.29 × 128,656,523.34
  4. Step 4: Simplify right side
    233,078,479.56x = 41,382,146,006,675,120
  5. Step 5: Solve for x
    x = 41,382,146,006,675,120/233,078,479.56
  6. Step 6: Final answer
    x = 177,545,975.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.