Home / 201,203,999.10-301,805,998.65-99,167,327.10

Finding the Fourth Proportional to 201,203,999.10, 301,805,998.65 and 99,167,327.10

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Solution

The fourth proportional to 201,203,999.10, 301,805,998.65 and 99,167,327.10 is: 148,750,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,203,999.10 : 301,805,998.65 = 99,167,327.10 : x
  2. Step 2: Convert to fraction form
    201,203,999.10/301,805,998.65 = 99,167,327.10/x
  3. Step 3: Cross multiply
    201,203,999.10x = 301,805,998.65 × 99,167,327.10
  4. Step 4: Simplify right side
    201,203,999.10x = 29,929,294,188,866,704
  5. Step 5: Solve for x
    x = 29,929,294,188,866,704/201,203,999.10
  6. Step 6: Final answer
    x = 148,750,990.65

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1.5x scale

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.