Home / 53,438,259.12-73,744,489.62-28,991,448.24

Finding the Fourth Proportional to 53,438,259.12, 73,744,489.62 and 28,991,448.24

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Solution

The fourth proportional to 53,438,259.12, 73,744,489.62 and 28,991,448.24 is: 40,008,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,438,259.12 : 73,744,489.62 = 28,991,448.24 : x
  2. Step 2: Convert to fraction form
    53,438,259.12/73,744,489.62 = 28,991,448.24/x
  3. Step 3: Cross multiply
    53,438,259.12x = 73,744,489.62 × 28,991,448.24
  4. Step 4: Simplify right side
    53,438,259.12x = 2,137,959,553,803,447.25
  5. Step 5: Solve for x
    x = 2,137,959,553,803,447.25/53,438,259.12
  6. Step 6: Final answer
    x = 40,008,031.49

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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.