Home / 295,021,772.82-407,119,376.10-162,859,932.78

Finding the Fourth Proportional to 295,021,772.82, 407,119,376.10 and 162,859,932.78

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Solution

The fourth proportional to 295,021,772.82, 407,119,376.10 and 162,859,932.78 is: 224,740,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,021,772.82 : 407,119,376.10 = 162,859,932.78 : x
  2. Step 2: Convert to fraction form
    295,021,772.82/407,119,376.10 = 162,859,932.78/x
  3. Step 3: Cross multiply
    295,021,772.82x = 407,119,376.10 × 162,859,932.78
  4. Step 4: Simplify right side
    295,021,772.82x = 66,303,434,225,081,544
  5. Step 5: Solve for x
    x = 66,303,434,225,081,544/295,021,772.82
  6. Step 6: Final answer
    x = 224,740,816.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.