Home / 154,204,495.39-231,283,990.75-45,000,345.05

Finding the Fourth Proportional to 154,204,495.39, 231,283,990.75 and 45,000,345.05

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Solution

The fourth proportional to 154,204,495.39, 231,283,990.75 and 45,000,345.05 is: 67,493,877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204,495.39 : 231,283,990.75 = 45,000,345.05 : x
  2. Step 2: Convert to fraction form
    154,204,495.39/231,283,990.75 = 45,000,345.05/x
  3. Step 3: Cross multiply
    154,204,495.39x = 231,283,990.75 × 45,000,345.05
  4. Step 4: Simplify right side
    154,204,495.39x = 10,407,859,388,885,208
  5. Step 5: Solve for x
    x = 10,407,859,388,885,208/154,204,495.39
  6. Step 6: Final answer
    x = 67,493,877.94

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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.