Home / 121,281,836.21-167,368,934.20-69,075,729.57

Finding the Fourth Proportional to 121,281,836.21, 167,368,934.20 and 69,075,729.57

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Solution

The fourth proportional to 121,281,836.21, 167,368,934.20 and 69,075,729.57 is: 95,324,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,281,836.21 : 167,368,934.20 = 69,075,729.57 : x
  2. Step 2: Convert to fraction form
    121,281,836.21/167,368,934.20 = 69,075,729.57/x
  3. Step 3: Cross multiply
    121,281,836.21x = 167,368,934.20 × 69,075,729.57
  4. Step 4: Simplify right side
    121,281,836.21x = 11,561,131,237,045,634
  5. Step 5: Solve for x
    x = 11,561,131,237,045,634/121,281,836.21
  6. Step 6: Final answer
    x = 95,324,506.94

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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.