Home / 87,575,602.80-131,363,404.20-55,326,975.60

Finding the Fourth Proportional to 87,575,602.80, 131,363,404.20 and 55,326,975.60

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Solution

The fourth proportional to 87,575,602.80, 131,363,404.20 and 55,326,975.60 is: 82,990,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,575,602.80 : 131,363,404.20 = 55,326,975.60 : x
  2. Step 2: Convert to fraction form
    87,575,602.80/131,363,404.20 = 55,326,975.60/x
  3. Step 3: Cross multiply
    87,575,602.80x = 131,363,404.20 × 55,326,975.60
  4. Step 4: Simplify right side
    87,575,602.80x = 7,267,939,858,906,338
  5. Step 5: Solve for x
    x = 7,267,939,858,906,338/87,575,602.80
  6. Step 6: Final answer
    x = 82,990,463.40

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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.