Home / 304,441,124.15-420,128,751.21-165,211,885.92

Finding the Fourth Proportional to 304,441,124.15, 420,128,751.21 and 165,211,885.92

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Solution

The fourth proportional to 304,441,124.15, 420,128,751.21 and 165,211,885.92 is: 227,992,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,441,124.15 : 420,128,751.21 = 165,211,885.92 : x
  2. Step 2: Convert to fraction form
    304,441,124.15/420,128,751.21 = 165,211,885.92/x
  3. Step 3: Cross multiply
    304,441,124.15x = 420,128,751.21 × 165,211,885.92
  4. Step 4: Simplify right side
    304,441,124.15x = 69,410,263,316,618,576
  5. Step 5: Solve for x
    x = 69,410,263,316,618,576/304,441,124.15
  6. Step 6: Final answer
    x = 227,992,402.51

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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.