Home / 154,546,752.80-231,848,122.80-77,676,327.20

Finding the Fourth Proportional to 154,546,752.80, 231,848,122.80 and 77,676,327.20

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Solution

The fourth proportional to 154,546,752.80, 231,848,122.80 and 77,676,327.20 is: 116,528,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,546,752.80 : 231,848,122.80 = 77,676,327.20 : x
  2. Step 2: Convert to fraction form
    154,546,752.80/231,848,122.80 = 77,676,327.20/x
  3. Step 3: Cross multiply
    154,546,752.80x = 231,848,122.80 × 77,676,327.20
  4. Step 4: Simplify right side
    154,546,752.80x = 18,009,110,647,318,582
  5. Step 5: Solve for x
    x = 18,009,110,647,318,582/154,546,752.80
  6. Step 6: Final answer
    x = 116,528,560.59

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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.