Home / 165,006,606.60-247,131,996.30-84,133,096.20

Finding the Fourth Proportional to 165,006,606.60, 247,131,996.30 and 84,133,096.20

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Solution

The fourth proportional to 165,006,606.60, 247,131,996.30 and 84,133,096.20 is: 126,006,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,006,606.60 : 247,131,996.30 = 84,133,096.20 : x
  2. Step 2: Convert to fraction form
    165,006,606.60/247,131,996.30 = 84,133,096.20/x
  3. Step 3: Cross multiply
    165,006,606.60x = 247,131,996.30 × 84,133,096.20
  4. Step 4: Simplify right side
    165,006,606.60x = 20,791,980,018,805,944
  5. Step 5: Solve for x
    x = 20,791,980,018,805,944/165,006,606.60
  6. Step 6: Final answer
    x = 126,006,954.80

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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.