Home / 70,242,559.90-105,327,537.37-30,834,685.13

Finding the Fourth Proportional to 70,242,559.90, 105,327,537.37 and 30,834,685.13

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Solution

The fourth proportional to 70,242,559.90, 105,327,537.37 and 30,834,685.13 is: 46,236,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,242,559.90 : 105,327,537.37 = 30,834,685.13 : x
  2. Step 2: Convert to fraction form
    70,242,559.90/105,327,537.37 = 30,834,685.13/x
  3. Step 3: Cross multiply
    70,242,559.90x = 105,327,537.37 × 30,834,685.13
  4. Step 4: Simplify right side
    70,242,559.90x = 3,247,741,449,718,534
  5. Step 5: Solve for x
    x = 3,247,741,449,718,534/70,242,559.90
  6. Step 6: Final answer
    x = 46,236,091.83

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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.