Home / 208,288,580.20-312,432,870.30-174,528,298.60

Finding the Fourth Proportional to 208,288,580.20, 312,432,870.30 and 174,528,298.60

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Solution

The fourth proportional to 208,288,580.20, 312,432,870.30 and 174,528,298.60 is: 261,792,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,288,580.20 : 312,432,870.30 = 174,528,298.60 : x
  2. Step 2: Convert to fraction form
    208,288,580.20/312,432,870.30 = 174,528,298.60/x
  3. Step 3: Cross multiply
    208,288,580.20x = 312,432,870.30 × 174,528,298.60
  4. Step 4: Simplify right side
    208,288,580.20x = 54,528,377,280,173,472
  5. Step 5: Solve for x
    x = 54,528,377,280,173,472/208,288,580.20
  6. Step 6: Final answer
    x = 261,792,447.90

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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.