Home / 252,153,376.40-378,230,064.60-201,135,040.40

Finding the Fourth Proportional to 252,153,376.40, 378,230,064.60 and 201,135,040.40

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Solution

The fourth proportional to 252,153,376.40, 378,230,064.60 and 201,135,040.40 is: 301,702,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,153,376.40 : 378,230,064.60 = 201,135,040.40 : x
  2. Step 2: Convert to fraction form
    252,153,376.40/378,230,064.60 = 201,135,040.40/x
  3. Step 3: Cross multiply
    252,153,376.40x = 378,230,064.60 × 201,135,040.40
  4. Step 4: Simplify right side
    252,153,376.40x = 76,075,319,323,815,616
  5. Step 5: Solve for x
    x = 76,075,319,323,815,616/252,153,376.40
  6. Step 6: Final answer
    x = 301,702,560.60

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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.