Home / 67,058,741.70-100,588,112.55-45,503,669.70

Finding the Fourth Proportional to 67,058,741.70, 100,588,112.55 and 45,503,669.70

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Solution

The fourth proportional to 67,058,741.70, 100,588,112.55 and 45,503,669.70 is: 68,255,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,058,741.70 : 100,588,112.55 = 45,503,669.70 : x
  2. Step 2: Convert to fraction form
    67,058,741.70/100,588,112.55 = 45,503,669.70/x
  3. Step 3: Cross multiply
    67,058,741.70x = 100,588,112.55 × 45,503,669.70
  4. Step 4: Simplify right side
    67,058,741.70x = 4,577,128,249,221,625
  5. Step 5: Solve for x
    x = 4,577,128,249,221,625/67,058,741.70
  6. Step 6: Final answer
    x = 68,255,504.55

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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.