Home / 51,351,415.86-70,872,219.36-31,778,608.26

Finding the Fourth Proportional to 51,351,415.86, 70,872,219.36 and 31,778,608.26

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Solution

The fourth proportional to 51,351,415.86, 70,872,219.36 and 31,778,608.26 is: 43,858,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,351,415.86 : 70,872,219.36 = 31,778,608.26 : x
  2. Step 2: Convert to fraction form
    51,351,415.86/70,872,219.36 = 31,778,608.26/x
  3. Step 3: Cross multiply
    51,351,415.86x = 70,872,219.36 × 31,778,608.26
  4. Step 4: Simplify right side
    51,351,415.86x = 2,252,220,495,558,228
  5. Step 5: Solve for x
    x = 2,252,220,495,558,228/51,351,415.86
  6. Step 6: Final answer
    x = 43,858,975.61

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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.