Home / 266,112,015.90-399,168,023.85-188,627,918.10

Finding the Fourth Proportional to 266,112,015.90, 399,168,023.85 and 188,627,918.10

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Solution

The fourth proportional to 266,112,015.90, 399,168,023.85 and 188,627,918.10 is: 282,941,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,112,015.90 : 399,168,023.85 = 188,627,918.10 : x
  2. Step 2: Convert to fraction form
    266,112,015.90/399,168,023.85 = 188,627,918.10/x
  3. Step 3: Cross multiply
    266,112,015.90x = 399,168,023.85 × 188,627,918.10
  4. Step 4: Simplify right side
    266,112,015.90x = 75,294,233,310,916,656
  5. Step 5: Solve for x
    x = 75,294,233,310,916,656/266,112,015.90
  6. Step 6: Final answer
    x = 282,941,877.15

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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.