Home / 154,204,722.78-231,307,871.63-51,969,646.14

Finding the Fourth Proportional to 154,204,722.78, 231,307,871.63 and 51,969,646.14

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Solution

The fourth proportional to 154,204,722.78, 231,307,871.63 and 51,969,646.14 is: 77,954,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204,722.78 : 231,307,871.63 = 51,969,646.14 : x
  2. Step 2: Convert to fraction form
    154,204,722.78/231,307,871.63 = 51,969,646.14/x
  3. Step 3: Cross multiply
    154,204,722.78x = 231,307,871.63 × 51,969,646.14
  4. Step 4: Simplify right side
    154,204,722.78x = 12,020,988,237,747,796
  5. Step 5: Solve for x
    x = 12,020,988,237,747,796/154,204,722.78
  6. Step 6: Final answer
    x = 77,954,734.60

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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.