Home / 251,019,026.90-376,528,540.35-210,842,087.30

Finding the Fourth Proportional to 251,019,026.90, 376,528,540.35 and 210,842,087.30

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Solution

The fourth proportional to 251,019,026.90, 376,528,540.35 and 210,842,087.30 is: 316,263,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,019,026.90 : 376,528,540.35 = 210,842,087.30 : x
  2. Step 2: Convert to fraction form
    251,019,026.90/376,528,540.35 = 210,842,087.30/x
  3. Step 3: Cross multiply
    251,019,026.90x = 376,528,540.35 × 210,842,087.30
  4. Step 4: Simplify right side
    251,019,026.90x = 79,388,063,375,416,288
  5. Step 5: Solve for x
    x = 79,388,063,375,416,288/251,019,026.90
  6. Step 6: Final answer
    x = 316,263,130.95

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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.