Home / 55,147,421.70-82,721,132.55-14,757,905.70

Finding the Fourth Proportional to 55,147,421.70, 82,721,132.55 and 14,757,905.70

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Solution

The fourth proportional to 55,147,421.70, 82,721,132.55 and 14,757,905.70 is: 22,136,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,421.70 : 82,721,132.55 = 14,757,905.70 : x
  2. Step 2: Convert to fraction form
    55,147,421.70/82,721,132.55 = 14,757,905.70/x
  3. Step 3: Cross multiply
    55,147,421.70x = 82,721,132.55 × 14,757,905.70
  4. Step 4: Simplify right side
    55,147,421.70x = 1,220,790,673,570,100.50
  5. Step 5: Solve for x
    x = 1,220,790,673,570,100.50/55,147,421.70
  6. Step 6: Final answer
    x = 22,136,858.55

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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.