Home / 55,731,713.01-83,564,455.68-21,190,640.55

Finding the Fourth Proportional to 55,731,713.01, 83,564,455.68 and 21,190,640.55

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Solution

The fourth proportional to 55,731,713.01, 83,564,455.68 and 21,190,640.55 is: 31,773,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731,713.01 : 83,564,455.68 = 21,190,640.55 : x
  2. Step 2: Convert to fraction form
    55,731,713.01/83,564,455.68 = 21,190,640.55/x
  3. Step 3: Cross multiply
    55,731,713.01x = 83,564,455.68 × 21,190,640.55
  4. Step 4: Simplify right side
    55,731,713.01x = 1,770,784,343,071,286
  5. Step 5: Solve for x
    x = 1,770,784,343,071,286/55,731,713.01
  6. Step 6: Final answer
    x = 31,773,370.09

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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.