Home / 169,503,382,471.70-254,166,789,256.14-79,942,328,677.82

Finding the Fourth Proportional to 169,503,382,471.70, 254,166,789,256.14 and 79,942,328,677.82

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Solution

The fourth proportional to 169,503,382,471.70, 254,166,789,256.14 and 79,942,328,677.82 is: 119,871,855,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,503,382,471.70 : 254,166,789,256.14 = 79,942,328,677.82 : x
  2. Step 2: Convert to fraction form
    169,503,382,471.70/254,166,789,256.14 = 79,942,328,677.82/x
  3. Step 3: Cross multiply
    169,503,382,471.70x = 254,166,789,256.14 × 79,942,328,677.82
  4. Step 4: Simplify right side
    169,503,382,471.70x = 20,318,685,005,700,556,390,400
  5. Step 5: Solve for x
    x = 20,318,685,005,700,556,390,400/169,503,382,471.70
  6. Step 6: Final answer
    x = 119,871,855,708.21

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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.