Home / 326,139,446.42-489,209,168.82-118,893,399.68

Finding the Fourth Proportional to 326,139,446.42, 489,209,168.82 and 118,893,399.68

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Solution

The fourth proportional to 326,139,446.42, 489,209,168.82 and 118,893,399.68 is: 178,340,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,139,446.42 : 489,209,168.82 = 118,893,399.68 : x
  2. Step 2: Convert to fraction form
    326,139,446.42/489,209,168.82 = 118,893,399.68/x
  3. Step 3: Cross multiply
    326,139,446.42x = 489,209,168.82 × 118,893,399.68
  4. Step 4: Simplify right side
    326,139,446.42x = 58,163,741,235,636,856
  5. Step 5: Solve for x
    x = 58,163,741,235,636,856/326,139,446.42
  6. Step 6: Final answer
    x = 178,340,099.22

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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.