Home / 212,657,586-318,986,378.64-51,099,522

Finding the Fourth Proportional to 212,657,586, 318,986,378.64 and 51,099,522

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Solution

The fourth proportional to 212,657,586, 318,986,378.64 and 51,099,522 is: 76,649,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,657,586 : 318,986,378.64 = 51,099,522 : x
  2. Step 2: Convert to fraction form
    212,657,586/318,986,378.64 = 51,099,522/x
  3. Step 3: Cross multiply
    212,657,586x = 318,986,378.64 × 51,099,522
  4. Step 4: Simplify right side
    212,657,586x = 16,300,051,473,015,010
  5. Step 5: Solve for x
    x = 16,300,051,473,015,010/212,657,586
  6. Step 6: Final answer
    x = 76,649,282.91

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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.