Home / 83,991,444.80-125,987,167.20-20,166,036.80

Finding the Fourth Proportional to 83,991,444.80, 125,987,167.20 and 20,166,036.80

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Solution

The fourth proportional to 83,991,444.80, 125,987,167.20 and 20,166,036.80 is: 30,249,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,991,444.80 : 125,987,167.20 = 20,166,036.80 : x
  2. Step 2: Convert to fraction form
    83,991,444.80/125,987,167.20 = 20,166,036.80/x
  3. Step 3: Cross multiply
    83,991,444.80x = 125,987,167.20 × 20,166,036.80
  4. Step 4: Simplify right side
    83,991,444.80x = 2,540,661,850,082,953
  5. Step 5: Solve for x
    x = 2,540,661,850,082,953/83,991,444.80
  6. Step 6: Final answer
    x = 30,249,055.20

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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.