Home / 307,678,717.10-424,580,505.26-168,422,804.30

Finding the Fourth Proportional to 307,678,717.10, 424,580,505.26 and 168,422,804.30

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Solution

The fourth proportional to 307,678,717.10, 424,580,505.26 and 168,422,804.30 is: 232,414,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,678,717.10 : 424,580,505.26 = 168,422,804.30 : x
  2. Step 2: Convert to fraction form
    307,678,717.10/424,580,505.26 = 168,422,804.30/x
  3. Step 3: Cross multiply
    307,678,717.10x = 424,580,505.26 × 168,422,804.30
  4. Step 4: Simplify right side
    307,678,717.10x = 71,509,039,344,035,080
  5. Step 5: Solve for x
    x = 71,509,039,344,035,080/307,678,717.10
  6. Step 6: Final answer
    x = 232,414,643.49

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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.