Home / 319,840,758.57-479,790,415.71-89,808,293.19

Finding the Fourth Proportional to 319,840,758.57, 479,790,415.71 and 89,808,293.19

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Solution

The fourth proportional to 319,840,758.57, 479,790,415.71 and 89,808,293.19 is: 134,720,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,840,758.57 : 479,790,415.71 = 89,808,293.19 : x
  2. Step 2: Convert to fraction form
    319,840,758.57/479,790,415.71 = 89,808,293.19/x
  3. Step 3: Cross multiply
    319,840,758.57x = 479,790,415.71 × 89,808,293.19
  4. Step 4: Simplify right side
    319,840,758.57x = 43,089,158,323,835,656
  5. Step 5: Solve for x
    x = 43,089,158,323,835,656/319,840,758.57
  6. Step 6: Final answer
    x = 134,720,660.73

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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.