Home / 53,448,933.69-80,173,667.51-18,905,367.31

Finding the Fourth Proportional to 53,448,933.69, 80,173,667.51 and 18,905,367.31

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Solution

The fourth proportional to 53,448,933.69, 80,173,667.51 and 18,905,367.31 is: 28,358,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,448,933.69 : 80,173,667.51 = 18,905,367.31 : x
  2. Step 2: Convert to fraction form
    53,448,933.69/80,173,667.51 = 18,905,367.31/x
  3. Step 3: Cross multiply
    53,448,933.69x = 80,173,667.51 × 18,905,367.31
  4. Step 4: Simplify right side
    53,448,933.69x = 1,515,712,632,866,363
  5. Step 5: Solve for x
    x = 1,515,712,632,866,363/53,448,933.69
  6. Step 6: Final answer
    x = 28,358,145.40

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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.