Home / 38,541,106.23-53,190,090.38-21,140,814.51

Finding the Fourth Proportional to 38,541,106.23, 53,190,090.38 and 21,140,814.51

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Solution

The fourth proportional to 38,541,106.23, 53,190,090.38 and 21,140,814.51 is: 29,176,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,541,106.23 : 53,190,090.38 = 21,140,814.51 : x
  2. Step 2: Convert to fraction form
    38,541,106.23/53,190,090.38 = 21,140,814.51/x
  3. Step 3: Cross multiply
    38,541,106.23x = 53,190,090.38 × 21,140,814.51
  4. Step 4: Simplify right side
    38,541,106.23x = 1,124,481,834,546,567.50
  5. Step 5: Solve for x
    x = 1,124,481,834,546,567.50/38,541,106.23
  6. Step 6: Final answer
    x = 29,176,169.15

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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.