Home / 173,878,039.40-260,817,059.10-130,512,453.80

Finding the Fourth Proportional to 173,878,039.40, 260,817,059.10 and 130,512,453.80

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Solution

The fourth proportional to 173,878,039.40, 260,817,059.10 and 130,512,453.80 is: 195,768,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,878,039.40 : 260,817,059.10 = 130,512,453.80 : x
  2. Step 2: Convert to fraction form
    173,878,039.40/260,817,059.10 = 130,512,453.80/x
  3. Step 3: Cross multiply
    173,878,039.40x = 260,817,059.10 × 130,512,453.80
  4. Step 4: Simplify right side
    173,878,039.40x = 34,039,874,376,040,620
  5. Step 5: Solve for x
    x = 34,039,874,376,040,620/173,878,039.40
  6. Step 6: Final answer
    x = 195,768,680.70

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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.