Home / 173,338,638.80-260,007,958.20-71,175,995.60

Finding the Fourth Proportional to 173,338,638.80, 260,007,958.20 and 71,175,995.60

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Solution

The fourth proportional to 173,338,638.80, 260,007,958.20 and 71,175,995.60 is: 106,763,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,338,638.80 : 260,007,958.20 = 71,175,995.60 : x
  2. Step 2: Convert to fraction form
    173,338,638.80/260,007,958.20 = 71,175,995.60/x
  3. Step 3: Cross multiply
    173,338,638.80x = 260,007,958.20 × 71,175,995.60
  4. Step 4: Simplify right side
    173,338,638.80x = 18,506,325,288,808,180
  5. Step 5: Solve for x
    x = 18,506,325,288,808,180/173,338,638.80
  6. Step 6: Final answer
    x = 106,763,993.40

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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.