Home / 49,920,097.20-74,880,145.80-41,857,940.40

Finding the Fourth Proportional to 49,920,097.20, 74,880,145.80 and 41,857,940.40

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Solution

The fourth proportional to 49,920,097.20, 74,880,145.80 and 41,857,940.40 is: 62,786,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,920,097.20 : 74,880,145.80 = 41,857,940.40 : x
  2. Step 2: Convert to fraction form
    49,920,097.20/74,880,145.80 = 41,857,940.40/x
  3. Step 3: Cross multiply
    49,920,097.20x = 74,880,145.80 × 41,857,940.40
  4. Step 4: Simplify right side
    49,920,097.20x = 3,134,328,680,039,710
  5. Step 5: Solve for x
    x = 3,134,328,680,039,710/49,920,097.20
  6. Step 6: Final answer
    x = 62,786,910.60

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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.