Home / 207,643,909.70-311,465,864.55-173,883,628.10

Finding the Fourth Proportional to 207,643,909.70, 311,465,864.55 and 173,883,628.10

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Solution

The fourth proportional to 207,643,909.70, 311,465,864.55 and 173,883,628.10 is: 260,825,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,643,909.70 : 311,465,864.55 = 173,883,628.10 : x
  2. Step 2: Convert to fraction form
    207,643,909.70/311,465,864.55 = 173,883,628.10/x
  3. Step 3: Cross multiply
    207,643,909.70x = 311,465,864.55 × 173,883,628.10
  4. Step 4: Simplify right side
    207,643,909.70x = 54,158,814,557,257,176
  5. Step 5: Solve for x
    x = 54,158,814,557,257,176/207,643,909.70
  6. Step 6: Final answer
    x = 260,825,442.15

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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.