Home / 205,123,389.40-307,685,084.10-184,967,997.40

Finding the Fourth Proportional to 205,123,389.40, 307,685,084.10 and 184,967,997.40

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Solution

The fourth proportional to 205,123,389.40, 307,685,084.10 and 184,967,997.40 is: 277,451,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,123,389.40 : 307,685,084.10 = 184,967,997.40 : x
  2. Step 2: Convert to fraction form
    205,123,389.40/307,685,084.10 = 184,967,997.40/x
  3. Step 3: Cross multiply
    205,123,389.40x = 307,685,084.10 × 184,967,997.40
  4. Step 4: Simplify right side
    205,123,389.40x = 56,911,893,835,827,584
  5. Step 5: Solve for x
    x = 56,911,893,835,827,584/205,123,389.40
  6. Step 6: Final answer
    x = 277,451,996.10

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Double scale
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Similar ratio
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1.5x scale

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.