Home / 218,376,231.85-327,564,347.78-201,748,033.45

Finding the Fourth Proportional to 218,376,231.85, 327,564,347.78 and 201,748,033.45

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Solution

The fourth proportional to 218,376,231.85, 327,564,347.78 and 201,748,033.45 is: 302,622,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,376,231.85 : 327,564,347.78 = 201,748,033.45 : x
  2. Step 2: Convert to fraction form
    218,376,231.85/327,564,347.78 = 201,748,033.45/x
  3. Step 3: Cross multiply
    218,376,231.85x = 327,564,347.78 × 201,748,033.45
  4. Step 4: Simplify right side
    218,376,231.85x = 66,085,462,991,938,128
  5. Step 5: Solve for x
    x = 66,085,462,991,938,128/218,376,231.85
  6. Step 6: Final answer
    x = 302,622,050.18

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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.