Home / 145,120,192.75-200,265,868.43-79,930,096.75

Finding the Fourth Proportional to 145,120,192.75, 200,265,868.43 and 79,930,096.75

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Solution

The fourth proportional to 145,120,192.75, 200,265,868.43 and 79,930,096.75 is: 110,303,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,120,192.75 : 200,265,868.43 = 79,930,096.75 : x
  2. Step 2: Convert to fraction form
    145,120,192.75/200,265,868.43 = 79,930,096.75/x
  3. Step 3: Cross multiply
    145,120,192.75x = 200,265,868.43 × 79,930,096.75
  4. Step 4: Simplify right side
    145,120,192.75x = 16,007,270,239,332,672
  5. Step 5: Solve for x
    x = 16,007,270,239,332,672/145,120,192.75
  6. Step 6: Final answer
    x = 110,303,534.86

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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.