Home / 76,477,676.69-105,539,209.02-41,670,367.13

Finding the Fourth Proportional to 76,477,676.69, 105,539,209.02 and 41,670,367.13

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Solution

The fourth proportional to 76,477,676.69, 105,539,209.02 and 41,670,367.13 is: 57,505,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477,676.69 : 105,539,209.02 = 41,670,367.13 : x
  2. Step 2: Convert to fraction form
    76,477,676.69/105,539,209.02 = 41,670,367.13/x
  3. Step 3: Cross multiply
    76,477,676.69x = 105,539,209.02 × 41,670,367.13
  4. Step 4: Simplify right side
    76,477,676.69x = 4,397,857,586,185,019
  5. Step 5: Solve for x
    x = 4,397,857,586,185,019/76,477,676.69
  6. Step 6: Final answer
    x = 57,505,114.91

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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.