Home / 83,991,445.80-125,987,168.70-20,166,037.80

Finding the Fourth Proportional to 83,991,445.80, 125,987,168.70 and 20,166,037.80

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Solution

The fourth proportional to 83,991,445.80, 125,987,168.70 and 20,166,037.80 is: 30,249,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,991,445.80 : 125,987,168.70 = 20,166,037.80 : x
  2. Step 2: Convert to fraction form
    83,991,445.80/125,987,168.70 = 20,166,037.80/x
  3. Step 3: Cross multiply
    83,991,445.80x = 125,987,168.70 × 20,166,037.80
  4. Step 4: Simplify right side
    83,991,445.80x = 2,540,662,006,319,177
  5. Step 5: Solve for x
    x = 2,540,662,006,319,177/83,991,445.80
  6. Step 6: Final answer
    x = 30,249,056.70

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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.