Home / 308,066,431.68-462,103,197.39-111,344,785.05

Finding the Fourth Proportional to 308,066,431.68, 462,103,197.39 and 111,344,785.05

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Solution

The fourth proportional to 308,066,431.68, 462,103,197.39 and 111,344,785.05 is: 167,018,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,066,431.68 : 462,103,197.39 = 111,344,785.05 : x
  2. Step 2: Convert to fraction form
    308,066,431.68/462,103,197.39 = 111,344,785.05/x
  3. Step 3: Cross multiply
    308,066,431.68x = 462,103,197.39 × 111,344,785.05
  4. Step 4: Simplify right side
    308,066,431.68x = 51,452,781,184,307,272
  5. Step 5: Solve for x
    x = 51,452,781,184,307,272/308,066,431.68
  6. Step 6: Final answer
    x = 167,018,460.61

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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.