Home / 49,209,621.60-73,814,432.40-45,626,440.80

Finding the Fourth Proportional to 49,209,621.60, 73,814,432.40 and 45,626,440.80

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Solution

The fourth proportional to 49,209,621.60, 73,814,432.40 and 45,626,440.80 is: 68,439,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209,621.60 : 73,814,432.40 = 45,626,440.80 : x
  2. Step 2: Convert to fraction form
    49,209,621.60/73,814,432.40 = 45,626,440.80/x
  3. Step 3: Cross multiply
    49,209,621.60x = 73,814,432.40 × 45,626,440.80
  4. Step 4: Simplify right side
    49,209,621.60x = 3,367,889,830,084,202
  5. Step 5: Solve for x
    x = 3,367,889,830,084,202/49,209,621.60
  6. Step 6: Final answer
    x = 68,439,661.20

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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.