Home / 171,140,705.80-256,683,513.10-49,943,752.20

Finding the Fourth Proportional to 171,140,705.80, 256,683,513.10 and 49,943,752.20

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Solution

The fourth proportional to 171,140,705.80, 256,683,513.10 and 49,943,752.20 is: 74,907,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,140,705.80 : 256,683,513.10 = 49,943,752.20 : x
  2. Step 2: Convert to fraction form
    171,140,705.80/256,683,513.10 = 49,943,752.20/x
  3. Step 3: Cross multiply
    171,140,705.80x = 256,683,513.10 × 49,943,752.20
  4. Step 4: Simplify right side
    171,140,705.80x = 12,819,737,772,091,854
  5. Step 5: Solve for x
    x = 12,819,737,772,091,854/171,140,705.80
  6. Step 6: Final answer
    x = 74,907,589.71

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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.