Home / 300,366,783.18-450,573,466.86-90,261,063.78

Finding the Fourth Proportional to 300,366,783.18, 450,573,466.86 and 90,261,063.78

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Solution

The fourth proportional to 300,366,783.18, 450,573,466.86 and 90,261,063.78 is: 135,398,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,366,783.18 : 450,573,466.86 = 90,261,063.78 : x
  2. Step 2: Convert to fraction form
    300,366,783.18/450,573,466.86 = 90,261,063.78/x
  3. Step 3: Cross multiply
    300,366,783.18x = 450,573,466.86 × 90,261,063.78
  4. Step 4: Simplify right side
    300,366,783.18x = 40,669,240,429,826,176
  5. Step 5: Solve for x
    x = 40,669,240,429,826,176/300,366,783.18
  6. Step 6: Final answer
    x = 135,398,595.01

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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.