Home / 212,784,806.52-319,177,210.32-164,333,331.36

Finding the Fourth Proportional to 212,784,806.52, 319,177,210.32 and 164,333,331.36

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Solution

The fourth proportional to 212,784,806.52, 319,177,210.32 and 164,333,331.36 is: 246,499,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,784,806.52 : 319,177,210.32 = 164,333,331.36 : x
  2. Step 2: Convert to fraction form
    212,784,806.52/319,177,210.32 = 164,333,331.36/x
  3. Step 3: Cross multiply
    212,784,806.52x = 319,177,210.32 × 164,333,331.36
  4. Step 4: Simplify right side
    212,784,806.52x = 52,451,454,266,076,976
  5. Step 5: Solve for x
    x = 52,451,454,266,076,976/212,784,806.52
  6. Step 6: Final answer
    x = 246,499,997.46

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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.