Home / 205,900,461.81-308,850,431.89-52,546,521.69

Finding the Fourth Proportional to 205,900,461.81, 308,850,431.89 and 52,546,521.69

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Solution

The fourth proportional to 205,900,461.81, 308,850,431.89 and 52,546,521.69 is: 78,819,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,900,461.81 : 308,850,431.89 = 52,546,521.69 : x
  2. Step 2: Convert to fraction form
    205,900,461.81/308,850,431.89 = 52,546,521.69/x
  3. Step 3: Cross multiply
    205,900,461.81x = 308,850,431.89 × 52,546,521.69
  4. Step 4: Simplify right side
    205,900,461.81x = 16,229,015,918,273,752
  5. Step 5: Solve for x
    x = 16,229,015,918,273,752/205,900,461.81
  6. Step 6: Final answer
    x = 78,819,715.97

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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.