Home / 201,941,222.76-302,290,559.05-131,760,334.97

Finding the Fourth Proportional to 201,941,222.76, 302,290,559.05 and 131,760,334.97

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Solution

The fourth proportional to 201,941,222.76, 302,290,559.05 and 131,760,334.97 is: 197,235,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,941,222.76 : 302,290,559.05 = 131,760,334.97 : x
  2. Step 2: Convert to fraction form
    201,941,222.76/302,290,559.05 = 131,760,334.97/x
  3. Step 3: Cross multiply
    201,941,222.76x = 302,290,559.05 × 131,760,334.97
  4. Step 4: Simplify right side
    201,941,222.76x = 39,829,905,316,855,712
  5. Step 5: Solve for x
    x = 39,829,905,316,855,712/201,941,222.76
  6. Step 6: Final answer
    x = 197,235,139.87

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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.