Home / 211,288,511.40-316,932,767.10-150,066,508.20

Finding the Fourth Proportional to 211,288,511.40, 316,932,767.10 and 150,066,508.20

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Solution

The fourth proportional to 211,288,511.40, 316,932,767.10 and 150,066,508.20 is: 225,099,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,288,511.40 : 316,932,767.10 = 150,066,508.20 : x
  2. Step 2: Convert to fraction form
    211,288,511.40/316,932,767.10 = 150,066,508.20/x
  3. Step 3: Cross multiply
    211,288,511.40x = 316,932,767.10 × 150,066,508.20
  4. Step 4: Simplify right side
    211,288,511.40x = 47,560,993,692,860,840
  5. Step 5: Solve for x
    x = 47,560,993,692,860,840/211,288,511.40
  6. Step 6: Final answer
    x = 225,099,762.30

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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.