Home / 206,009,272.56-284,222,484.96-127,664,240.32

Finding the Fourth Proportional to 206,009,272.56, 284,222,484.96 and 127,664,240.32

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Solution

The fourth proportional to 206,009,272.56, 284,222,484.96 and 127,664,240.32 is: 176,133,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,009,272.56 : 284,222,484.96 = 127,664,240.32 : x
  2. Step 2: Convert to fraction form
    206,009,272.56/284,222,484.96 = 127,664,240.32/x
  3. Step 3: Cross multiply
    206,009,272.56x = 284,222,484.96 × 127,664,240.32
  4. Step 4: Simplify right side
    206,009,272.56x = 36,285,047,624,281,024
  5. Step 5: Solve for x
    x = 36,285,047,624,281,024/206,009,272.56
  6. Step 6: Final answer
    x = 176,133,079.71

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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.