Home / 196,151,279.70-294,289,905.15-86,934,249.30

Finding the Fourth Proportional to 196,151,279.70, 294,289,905.15 and 86,934,249.30

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Solution

The fourth proportional to 196,151,279.70, 294,289,905.15 and 86,934,249.30 is: 130,429,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,151,279.70 : 294,289,905.15 = 86,934,249.30 : x
  2. Step 2: Convert to fraction form
    196,151,279.70/294,289,905.15 = 86,934,249.30/x
  3. Step 3: Cross multiply
    196,151,279.70x = 294,289,905.15 × 86,934,249.30
  4. Step 4: Simplify right side
    196,151,279.70x = 25,583,871,980,783,452
  5. Step 5: Solve for x
    x = 25,583,871,980,783,452/196,151,279.70
  6. Step 6: Final answer
    x = 130,429,289.17

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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.