Home / 152,997,100.68-229,563,262.13-80,196,474.32

Finding the Fourth Proportional to 152,997,100.68, 229,563,262.13 and 80,196,474.32

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Solution

The fourth proportional to 152,997,100.68, 229,563,262.13 and 80,196,474.32 is: 120,330,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,997,100.68 : 229,563,262.13 = 80,196,474.32 : x
  2. Step 2: Convert to fraction form
    152,997,100.68/229,563,262.13 = 80,196,474.32/x
  3. Step 3: Cross multiply
    152,997,100.68x = 229,563,262.13 × 80,196,474.32
  4. Step 4: Simplify right side
    152,997,100.68x = 18,410,164,256,223,972
  5. Step 5: Solve for x
    x = 18,410,164,256,223,972/152,997,100.68
  6. Step 6: Final answer
    x = 120,330,151.19

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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.