Home / 43,290,105.68-65,038,751.11-27,758,364.45

Finding the Fourth Proportional to 43,290,105.68, 65,038,751.11 and 27,758,364.45

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Solution

The fourth proportional to 43,290,105.68, 65,038,751.11 and 27,758,364.45 is: 41,703,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290,105.68 : 65,038,751.11 = 27,758,364.45 : x
  2. Step 2: Convert to fraction form
    43,290,105.68/65,038,751.11 = 27,758,364.45/x
  3. Step 3: Cross multiply
    43,290,105.68x = 65,038,751.11 × 27,758,364.45
  4. Step 4: Simplify right side
    43,290,105.68x = 1,805,369,356,336,233
  5. Step 5: Solve for x
    x = 1,805,369,356,336,233/43,290,105.68
  6. Step 6: Final answer
    x = 41,703,972.03

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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.