Home / 81,048,527.76-111,847,152.64-43,879,199.20

Finding the Fourth Proportional to 81,048,527.76, 111,847,152.64 and 43,879,199.20

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Solution

The fourth proportional to 81,048,527.76, 111,847,152.64 and 43,879,199.20 is: 60,553,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,048,527.76 : 111,847,152.64 = 43,879,199.20 : x
  2. Step 2: Convert to fraction form
    81,048,527.76/111,847,152.64 = 43,879,199.20/x
  3. Step 3: Cross multiply
    81,048,527.76x = 111,847,152.64 × 43,879,199.20
  4. Step 4: Simplify right side
    81,048,527.76x = 4,907,763,490,643,366
  5. Step 5: Solve for x
    x = 4,907,763,490,643,366/81,048,527.76
  6. Step 6: Final answer
    x = 60,553,394.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.