Home / 199,387,220.40-299,080,830.60-91,891,796.40

Finding the Fourth Proportional to 199,387,220.40, 299,080,830.60 and 91,891,796.40

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Solution

The fourth proportional to 199,387,220.40, 299,080,830.60 and 91,891,796.40 is: 137,837,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,387,220.40 : 299,080,830.60 = 91,891,796.40 : x
  2. Step 2: Convert to fraction form
    199,387,220.40/299,080,830.60 = 91,891,796.40/x
  3. Step 3: Cross multiply
    199,387,220.40x = 299,080,830.60 × 91,891,796.40
  4. Step 4: Simplify right side
    199,387,220.40x = 27,483,074,792,638,092
  5. Step 5: Solve for x
    x = 27,483,074,792,638,092/199,387,220.40
  6. Step 6: Final answer
    x = 137,837,694.60

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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.