Home / 43,112,112.80-64,685,276.40-17,554,992.80

Finding the Fourth Proportional to 43,112,112.80, 64,685,276.40 and 17,554,992.80

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Solution

The fourth proportional to 43,112,112.80, 64,685,276.40 and 17,554,992.80 is: 26,339,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,112,112.80 : 64,685,276.40 = 17,554,992.80 : x
  2. Step 2: Convert to fraction form
    43,112,112.80/64,685,276.40 = 17,554,992.80/x
  3. Step 3: Cross multiply
    43,112,112.80x = 64,685,276.40 × 17,554,992.80
  4. Step 4: Simplify right side
    43,112,112.80x = 1,135,549,561,468,010
  5. Step 5: Solve for x
    x = 1,135,549,561,468,010/43,112,112.80
  6. Step 6: Final answer
    x = 26,339,455.15

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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.