Home / 326,427,503.10-489,641,254.65-108,111,540.30

Finding the Fourth Proportional to 326,427,503.10, 489,641,254.65 and 108,111,540.30

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Solution

The fourth proportional to 326,427,503.10, 489,641,254.65 and 108,111,540.30 is: 162,167,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,427,503.10 : 489,641,254.65 = 108,111,540.30 : x
  2. Step 2: Convert to fraction form
    326,427,503.10/489,641,254.65 = 108,111,540.30/x
  3. Step 3: Cross multiply
    326,427,503.10x = 489,641,254.65 × 108,111,540.30
  4. Step 4: Simplify right side
    326,427,503.10x = 52,935,870,234,636,032
  5. Step 5: Solve for x
    x = 52,935,870,234,636,032/326,427,503.10
  6. Step 6: Final answer
    x = 162,167,310.45

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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.