Home / 145,157,433.80-217,232,265.90-133,064,198.60

Finding the Fourth Proportional to 145,157,433.80, 217,232,265.90 and 133,064,198.60

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Solution

The fourth proportional to 145,157,433.80, 217,232,265.90 and 133,064,198.60 is: 199,134,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,157,433.80 : 217,232,265.90 = 133,064,198.60 : x
  2. Step 2: Convert to fraction form
    145,157,433.80/217,232,265.90 = 133,064,198.60/x
  3. Step 3: Cross multiply
    145,157,433.80x = 217,232,265.90 × 133,064,198.60
  4. Step 4: Simplify right side
    145,157,433.80x = 28,905,837,372,045,608
  5. Step 5: Solve for x
    x = 28,905,837,372,045,608/145,157,433.80
  6. Step 6: Final answer
    x = 199,134,392.33

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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.