Home / 76,580,088.63-105,681,196.77-41,772,933.87

Finding the Fourth Proportional to 76,580,088.63, 105,681,196.77 and 41,772,933.87

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Solution

The fourth proportional to 76,580,088.63, 105,681,196.77 and 41,772,933.87 is: 57,647,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,580,088.63 : 105,681,196.77 = 41,772,933.87 : x
  2. Step 2: Convert to fraction form
    76,580,088.63/105,681,196.77 = 41,772,933.87/x
  3. Step 3: Cross multiply
    76,580,088.63x = 105,681,196.77 × 41,772,933.87
  4. Step 4: Simplify right side
    76,580,088.63x = 4,414,613,643,975,667
  5. Step 5: Solve for x
    x = 4,414,613,643,975,667/76,580,088.63
  6. Step 6: Final answer
    x = 57,647,016.65

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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.