Home / 212,277,466.88-318,415,154.76-82,898,218.88

Finding the Fourth Proportional to 212,277,466.88, 318,415,154.76 and 82,898,218.88

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Solution

The fourth proportional to 212,277,466.88, 318,415,154.76 and 82,898,218.88 is: 124,346,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,277,466.88 : 318,415,154.76 = 82,898,218.88 : x
  2. Step 2: Convert to fraction form
    212,277,466.88/318,415,154.76 = 82,898,218.88/x
  3. Step 3: Cross multiply
    212,277,466.88x = 318,415,154.76 × 82,898,218.88
  4. Step 4: Simplify right side
    212,277,466.88x = 26,396,049,194,003,552
  5. Step 5: Solve for x
    x = 26,396,049,194,003,552/212,277,466.88
  6. Step 6: Final answer
    x = 124,346,920.01

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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.