Home / 208,044,006.30-312,066,009.45-106,007,334.30

Finding the Fourth Proportional to 208,044,006.30, 312,066,009.45 and 106,007,334.30

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Solution

The fourth proportional to 208,044,006.30, 312,066,009.45 and 106,007,334.30 is: 159,011,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,044,006.30 : 312,066,009.45 = 106,007,334.30 : x
  2. Step 2: Convert to fraction form
    208,044,006.30/312,066,009.45 = 106,007,334.30/x
  3. Step 3: Cross multiply
    208,044,006.30x = 312,066,009.45 × 106,007,334.30
  4. Step 4: Simplify right side
    208,044,006.30x = 33,081,285,787,433,108
  5. Step 5: Solve for x
    x = 33,081,285,787,433,108/208,044,006.30
  6. Step 6: Final answer
    x = 159,011,001.45

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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.