Home / 205,062,456.20-307,344,852.30-118,634,808.20

Finding the Fourth Proportional to 205,062,456.20, 307,344,852.30 and 118,634,808.20

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Solution

The fourth proportional to 205,062,456.20, 307,344,852.30 and 118,634,808.20 is: 177,808,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,062,456.20 : 307,344,852.30 = 118,634,808.20 : x
  2. Step 2: Convert to fraction form
    205,062,456.20/307,344,852.30 = 118,634,808.20/x
  3. Step 3: Cross multiply
    205,062,456.20x = 307,344,852.30 × 118,634,808.20
  4. Step 4: Simplify right side
    205,062,456.20x = 36,461,797,603,867,832
  5. Step 5: Solve for x
    x = 36,461,797,603,867,832/205,062,456.20
  6. Step 6: Final answer
    x = 177,808,255.49

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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.