Home / 311,360,373-429,606,030.24-185,888,149.20

Finding the Fourth Proportional to 311,360,373, 429,606,030.24 and 185,888,149.20

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Solution

The fourth proportional to 311,360,373, 429,606,030.24 and 185,888,149.20 is: 256,483,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,360,373 : 429,606,030.24 = 185,888,149.20 : x
  2. Step 2: Convert to fraction form
    311,360,373/429,606,030.24 = 185,888,149.20/x
  3. Step 3: Cross multiply
    311,360,373x = 429,606,030.24 × 185,888,149.20
  4. Step 4: Simplify right side
    311,360,373x = 79,858,669,846,472,832
  5. Step 5: Solve for x
    x = 79,858,669,846,472,832/311,360,373
  6. Step 6: Final answer
    x = 256,483,087.67

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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.