Home / 189,041,269,658.10-260,877,738,113.82-102,233,839,379.58

Finding the Fourth Proportional to 189,041,269,658.10, 260,877,738,113.82 and 102,233,839,379.58

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Solution

The fourth proportional to 189,041,269,658.10, 260,877,738,113.82 and 102,233,839,379.58 is: 141,083,123,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,041,269,658.10 : 260,877,738,113.82 = 102,233,839,379.58 : x
  2. Step 2: Convert to fraction form
    189,041,269,658.10/260,877,738,113.82 = 102,233,839,379.58/x
  3. Step 3: Cross multiply
    189,041,269,658.10x = 260,877,738,113.82 × 102,233,839,379.58
  4. Step 4: Simplify right side
    189,041,269,658.10x = 26,670,532,776,036,409,540,608
  5. Step 5: Solve for x
    x = 26,670,532,776,036,409,540,608/189,041,269,658.10
  6. Step 6: Final answer
    x = 141,083,123,406.19

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1.5x scale

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.