Home / 272,574,311.70-408,861,467.55-163,735,194.90

Finding the Fourth Proportional to 272,574,311.70, 408,861,467.55 and 163,735,194.90

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Solution

The fourth proportional to 272,574,311.70, 408,861,467.55 and 163,735,194.90 is: 245,602,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,574,311.70 : 408,861,467.55 = 163,735,194.90 : x
  2. Step 2: Convert to fraction form
    272,574,311.70/408,861,467.55 = 163,735,194.90/x
  3. Step 3: Cross multiply
    272,574,311.70x = 408,861,467.55 × 163,735,194.90
  4. Step 4: Simplify right side
    272,574,311.70x = 66,945,012,076,399,280
  5. Step 5: Solve for x
    x = 66,945,012,076,399,280/272,574,311.70
  6. Step 6: Final answer
    x = 245,602,792.35

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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.