Home / 70,349,153.30-97,081,757.93-39,409,540.37

Finding the Fourth Proportional to 70,349,153.30, 97,081,757.93 and 39,409,540.37

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Solution

The fourth proportional to 70,349,153.30, 97,081,757.93 and 39,409,540.37 is: 54,385,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349,153.30 : 97,081,757.93 = 39,409,540.37 : x
  2. Step 2: Convert to fraction form
    70,349,153.30/97,081,757.93 = 39,409,540.37/x
  3. Step 3: Cross multiply
    70,349,153.30x = 97,081,757.93 × 39,409,540.37
  4. Step 4: Simplify right side
    70,349,153.30x = 3,825,947,458,135,854.50
  5. Step 5: Solve for x
    x = 3,825,947,458,135,854.50/70,349,153.30
  6. Step 6: Final answer
    x = 54,385,124.46

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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.