Home / 53,672,796.80-80,509,195.20-45,169,740.80

Finding the Fourth Proportional to 53,672,796.80, 80,509,195.20 and 45,169,740.80

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Solution

The fourth proportional to 53,672,796.80, 80,509,195.20 and 45,169,740.80 is: 67,754,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,672,796.80 : 80,509,195.20 = 45,169,740.80 : x
  2. Step 2: Convert to fraction form
    53,672,796.80/80,509,195.20 = 45,169,740.80/x
  3. Step 3: Cross multiply
    53,672,796.80x = 80,509,195.20 × 45,169,740.80
  4. Step 4: Simplify right side
    53,672,796.80x = 3,636,579,479,200,604
  5. Step 5: Solve for x
    x = 3,636,579,479,200,604/53,672,796.80
  6. Step 6: Final answer
    x = 67,754,611.20

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1.5x scale

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.