Home / 207,643,527.20-311,465,290.80-173,883,245.60

Finding the Fourth Proportional to 207,643,527.20, 311,465,290.80 and 173,883,245.60

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Solution

The fourth proportional to 207,643,527.20, 311,465,290.80 and 173,883,245.60 is: 260,824,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,643,527.20 : 311,465,290.80 = 173,883,245.60 : x
  2. Step 2: Convert to fraction form
    207,643,527.20/311,465,290.80 = 173,883,245.60/x
  3. Step 3: Cross multiply
    207,643,527.20x = 311,465,290.80 × 173,883,245.60
  4. Step 4: Simplify right side
    207,643,527.20x = 54,158,595,656,051,824
  5. Step 5: Solve for x
    x = 54,158,595,656,051,824/207,643,527.20
  6. Step 6: Final answer
    x = 260,824,868.40

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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.