Home / 81,007,020.60-111,789,684.99-43,837,302.03

Finding the Fourth Proportional to 81,007,020.60, 111,789,684.99 and 43,837,302.03

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Solution

The fourth proportional to 81,007,020.60, 111,789,684.99 and 43,837,302.03 is: 60,495,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,007,020.60 : 111,789,684.99 = 43,837,302.03 : x
  2. Step 2: Convert to fraction form
    81,007,020.60/111,789,684.99 = 43,837,302.03/x
  3. Step 3: Cross multiply
    81,007,020.60x = 111,789,684.99 × 43,837,302.03
  4. Step 4: Simplify right side
    81,007,020.60x = 4,900,558,184,745,187
  5. Step 5: Solve for x
    x = 4,900,558,184,745,187/81,007,020.60
  6. Step 6: Final answer
    x = 60,495,474.94

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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.