Home / 286,359,128.91-395,164,473.75-175,036,361.97

Finding the Fourth Proportional to 286,359,128.91, 395,164,473.75 and 175,036,361.97

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Solution

The fourth proportional to 286,359,128.91, 395,164,473.75 and 175,036,361.97 is: 241,543,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,359,128.91 : 395,164,473.75 = 175,036,361.97 : x
  2. Step 2: Convert to fraction form
    286,359,128.91/395,164,473.75 = 175,036,361.97/x
  3. Step 3: Cross multiply
    286,359,128.91x = 395,164,473.75 × 175,036,361.97
  4. Step 4: Simplify right side
    286,359,128.91x = 69,168,151,864,989,560
  5. Step 5: Solve for x
    x = 69,168,151,864,989,560/286,359,128.91
  6. Step 6: Final answer
    x = 241,543,379.91

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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.