Home / 49,526,793.60-74,290,190.40-31,386,940.80

Finding the Fourth Proportional to 49,526,793.60, 74,290,190.40 and 31,386,940.80

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Solution

The fourth proportional to 49,526,793.60, 74,290,190.40 and 31,386,940.80 is: 47,080,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,526,793.60 : 74,290,190.40 = 31,386,940.80 : x
  2. Step 2: Convert to fraction form
    49,526,793.60/74,290,190.40 = 31,386,940.80/x
  3. Step 3: Cross multiply
    49,526,793.60x = 74,290,190.40 × 31,386,940.80
  4. Step 4: Simplify right side
    49,526,793.60x = 2,331,741,808,105,528.50
  5. Step 5: Solve for x
    x = 2,331,741,808,105,528.50/49,526,793.60
  6. Step 6: Final answer
    x = 47,080,411.20

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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.