Home / 154,480,515.72-231,702,415.56-50,824,015.20

Finding the Fourth Proportional to 154,480,515.72, 231,702,415.56 and 50,824,015.20

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Solution

The fourth proportional to 154,480,515.72, 231,702,415.56 and 50,824,015.20 is: 76,229,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,480,515.72 : 231,702,415.56 = 50,824,015.20 : x
  2. Step 2: Convert to fraction form
    154,480,515.72/231,702,415.56 = 50,824,015.20/x
  3. Step 3: Cross multiply
    154,480,515.72x = 231,702,415.56 × 50,824,015.20
  4. Step 4: Simplify right side
    154,480,515.72x = 11,776,047,090,298,158
  5. Step 5: Solve for x
    x = 11,776,047,090,298,158/154,480,515.72
  6. Step 6: Final answer
    x = 76,229,983.02

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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.