Home / 148,405,138.72-222,609,141.72-56,264,097.40

Finding the Fourth Proportional to 148,405,138.72, 222,609,141.72 and 56,264,097.40

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Solution

The fourth proportional to 148,405,138.72, 222,609,141.72 and 56,264,097.40 is: 84,396,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,405,138.72 : 222,609,141.72 = 56,264,097.40 : x
  2. Step 2: Convert to fraction form
    148,405,138.72/222,609,141.72 = 56,264,097.40/x
  3. Step 3: Cross multiply
    148,405,138.72x = 222,609,141.72 × 56,264,097.40
  4. Step 4: Simplify right side
    148,405,138.72x = 12,524,902,431,864,484
  5. Step 5: Solve for x
    x = 12,524,902,431,864,484/148,405,138.72
  6. Step 6: Final answer
    x = 84,396,689.63

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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.