Home / 201,356,464.80-302,261,756.40-133,332,016.80

Finding the Fourth Proportional to 201,356,464.80, 302,261,756.40 and 133,332,016.80

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Solution

The fourth proportional to 201,356,464.80, 302,261,756.40 and 133,332,016.80 is: 200,148,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,356,464.80 : 302,261,756.40 = 133,332,016.80 : x
  2. Step 2: Convert to fraction form
    201,356,464.80/302,261,756.40 = 133,332,016.80/x
  3. Step 3: Cross multiply
    201,356,464.80x = 302,261,756.40 × 133,332,016.80
  4. Step 4: Simplify right side
    201,356,464.80x = 40,301,169,582,322,304
  5. Step 5: Solve for x
    x = 40,301,169,582,322,304/201,356,464.80
  6. Step 6: Final answer
    x = 200,148,376.77

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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.