Home / 328,911,426.32-493,367,980.57-83,268,087.44

Finding the Fourth Proportional to 328,911,426.32, 493,367,980.57 and 83,268,087.44

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Solution

The fourth proportional to 328,911,426.32, 493,367,980.57 and 83,268,087.44 is: 124,902,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,911,426.32 : 493,367,980.57 = 83,268,087.44 : x
  2. Step 2: Convert to fraction form
    328,911,426.32/493,367,980.57 = 83,268,087.44/x
  3. Step 3: Cross multiply
    328,911,426.32x = 493,367,980.57 × 83,268,087.44
  4. Step 4: Simplify right side
    328,911,426.32x = 41,081,808,143,523,968
  5. Step 5: Solve for x
    x = 41,081,808,143,523,968/328,911,426.32
  6. Step 6: Final answer
    x = 124,902,344.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.