Home / 206,009,243.37-284,222,443.86-127,664,211.15

Finding the Fourth Proportional to 206,009,243.37, 284,222,443.86 and 127,664,211.15

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Solution

The fourth proportional to 206,009,243.37, 284,222,443.86 and 127,664,211.15 is: 176,133,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,009,243.37 : 284,222,443.86 = 127,664,211.15 : x
  2. Step 2: Convert to fraction form
    206,009,243.37/284,222,443.86 = 127,664,211.15/x
  3. Step 3: Cross multiply
    206,009,243.37x = 284,222,443.86 × 127,664,211.15
  4. Step 4: Simplify right side
    206,009,243.37x = 36,285,034,086,512,064
  5. Step 5: Solve for x
    x = 36,285,034,086,512,064/206,009,243.37
  6. Step 6: Final answer
    x = 176,133,038.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.