Home / 258,916,720.85-388,528,308.27-95,269,398.32

Finding the Fourth Proportional to 258,916,720.85, 388,528,308.27 and 95,269,398.32

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Solution

The fourth proportional to 258,916,720.85, 388,528,308.27 and 95,269,398.32 is: 142,960,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,916,720.85 : 388,528,308.27 = 95,269,398.32 : x
  2. Step 2: Convert to fraction form
    258,916,720.85/388,528,308.27 = 95,269,398.32/x
  3. Step 3: Cross multiply
    258,916,720.85x = 388,528,308.27 × 95,269,398.32
  4. Step 4: Simplify right side
    258,916,720.85x = 37,014,858,157,227,736
  5. Step 5: Solve for x
    x = 37,014,858,157,227,736/258,916,720.85
  6. Step 6: Final answer
    x = 142,960,477.93

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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.