Home / 191,116,221.32-285,279,111.34-163,996,787.09

Finding the Fourth Proportional to 191,116,221.32, 285,279,111.34 and 163,996,787.09

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Solution

The fourth proportional to 191,116,221.32, 285,279,111.34 and 163,996,787.09 is: 244,797,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,116,221.32 : 285,279,111.34 = 163,996,787.09 : x
  2. Step 2: Convert to fraction form
    191,116,221.32/285,279,111.34 = 163,996,787.09/x
  3. Step 3: Cross multiply
    191,116,221.32x = 285,279,111.34 × 163,996,787.09
  4. Step 4: Simplify right side
    191,116,221.32x = 46,784,857,683,953,584
  5. Step 5: Solve for x
    x = 46,784,857,683,953,584/191,116,221.32
  6. Step 6: Final answer
    x = 244,797,942.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.