Home / 104,973,349.88-157,664,357.96-85,556,923.31

Finding the Fourth Proportional to 104,973,349.88, 157,664,357.96 and 85,556,923.31

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Solution

The fourth proportional to 104,973,349.88, 157,664,357.96 and 85,556,923.31 is: 128,501,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,973,349.88 : 157,664,357.96 = 85,556,923.31 : x
  2. Step 2: Convert to fraction form
    104,973,349.88/157,664,357.96 = 85,556,923.31/x
  3. Step 3: Cross multiply
    104,973,349.88x = 157,664,357.96 × 85,556,923.31
  4. Step 4: Simplify right side
    104,973,349.88x = 13,489,277,382,670,486
  5. Step 5: Solve for x
    x = 13,489,277,382,670,486/104,973,349.88
  6. Step 6: Final answer
    x = 128,501,923.56

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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.