Home / 171,140,684.30-256,683,480.85-49,943,730.70

Finding the Fourth Proportional to 171,140,684.30, 256,683,480.85 and 49,943,730.70

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Solution

The fourth proportional to 171,140,684.30, 256,683,480.85 and 49,943,730.70 is: 74,907,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,140,684.30 : 256,683,480.85 = 49,943,730.70 : x
  2. Step 2: Convert to fraction form
    171,140,684.30/256,683,480.85 = 49,943,730.70/x
  3. Step 3: Cross multiply
    171,140,684.30x = 256,683,480.85 × 49,943,730.70
  4. Step 4: Simplify right side
    171,140,684.30x = 12,819,730,642,711,008
  5. Step 5: Solve for x
    x = 12,819,730,642,711,008/171,140,684.30
  6. Step 6: Final answer
    x = 74,907,557.46

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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.