Home / 53,285,440.80-79,928,161.20-29,014,989.60

Finding the Fourth Proportional to 53,285,440.80, 79,928,161.20 and 29,014,989.60

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Solution

The fourth proportional to 53,285,440.80, 79,928,161.20 and 29,014,989.60 is: 43,522,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,285,440.80 : 79,928,161.20 = 29,014,989.60 : x
  2. Step 2: Convert to fraction form
    53,285,440.80/79,928,161.20 = 29,014,989.60/x
  3. Step 3: Cross multiply
    53,285,440.80x = 79,928,161.20 × 29,014,989.60
  4. Step 4: Simplify right side
    53,285,440.80x = 2,319,114,765,965,123.50
  5. Step 5: Solve for x
    x = 2,319,114,765,965,123.50/53,285,440.80
  6. Step 6: Final answer
    x = 43,522,484.40

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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.