Home / 207,640,601.20-311,460,901.80-173,880,319.60

Finding the Fourth Proportional to 207,640,601.20, 311,460,901.80 and 173,880,319.60

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Solution

The fourth proportional to 207,640,601.20, 311,460,901.80 and 173,880,319.60 is: 260,820,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,640,601.20 : 311,460,901.80 = 173,880,319.60 : x
  2. Step 2: Convert to fraction form
    207,640,601.20/311,460,901.80 = 173,880,319.60/x
  3. Step 3: Cross multiply
    207,640,601.20x = 311,460,901.80 × 173,880,319.60
  4. Step 4: Simplify right side
    207,640,601.20x = 54,156,921,147,888,216
  5. Step 5: Solve for x
    x = 54,156,921,147,888,216/207,640,601.20
  6. Step 6: Final answer
    x = 260,820,479.40

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1.5x scale

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.