Home / 53,672,764.80-80,509,147.20-45,169,708.80

Finding the Fourth Proportional to 53,672,764.80, 80,509,147.20 and 45,169,708.80

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Solution

The fourth proportional to 53,672,764.80, 80,509,147.20 and 45,169,708.80 is: 67,754,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,672,764.80 : 80,509,147.20 = 45,169,708.80 : x
  2. Step 2: Convert to fraction form
    53,672,764.80/80,509,147.20 = 45,169,708.80/x
  3. Step 3: Cross multiply
    53,672,764.80x = 80,509,147.20 × 45,169,708.80
  4. Step 4: Simplify right side
    53,672,764.80x = 3,636,574,734,760,335.50
  5. Step 5: Solve for x
    x = 3,636,574,734,760,335.50/53,672,764.80
  6. Step 6: Final answer
    x = 67,754,563.20

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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.