Home / 206,464,467.42-309,688,301.70-51,014,360.57

Finding the Fourth Proportional to 206,464,467.42, 309,688,301.70 and 51,014,360.57

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Solution

The fourth proportional to 206,464,467.42, 309,688,301.70 and 51,014,360.57 is: 76,519,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,464,467.42 : 309,688,301.70 = 51,014,360.57 : x
  2. Step 2: Convert to fraction form
    206,464,467.42/309,688,301.70 = 51,014,360.57/x
  3. Step 3: Cross multiply
    206,464,467.42x = 309,688,301.70 × 51,014,360.57
  4. Step 4: Simplify right side
    206,464,467.42x = 15,798,550,685,686,302
  5. Step 5: Solve for x
    x = 15,798,550,685,686,302/206,464,467.42
  6. Step 6: Final answer
    x = 76,519,465.47

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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.