Home / 252,019,445.40-378,029,168.10-201,001,109.40

Finding the Fourth Proportional to 252,019,445.40, 378,029,168.10 and 201,001,109.40

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Solution

The fourth proportional to 252,019,445.40, 378,029,168.10 and 201,001,109.40 is: 301,501,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,019,445.40 : 378,029,168.10 = 201,001,109.40 : x
  2. Step 2: Convert to fraction form
    252,019,445.40/378,029,168.10 = 201,001,109.40/x
  3. Step 3: Cross multiply
    252,019,445.40x = 378,029,168.10 × 201,001,109.40
  4. Step 4: Simplify right side
    252,019,445.40x = 75,984,282,173,659,104
  5. Step 5: Solve for x
    x = 75,984,282,173,659,104/252,019,445.40
  6. Step 6: Final answer
    x = 301,501,664.10

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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.