Home / 125,807,715,689.34-188,738,076,945.01-40,810,873,433.79

Finding the Fourth Proportional to 125,807,715,689.34, 188,738,076,945.01 and 40,810,873,433.79

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Solution

The fourth proportional to 125,807,715,689.34, 188,738,076,945.01 and 40,810,873,433.79 is: 61,224,907,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,807,715,689.34 : 188,738,076,945.01 = 40,810,873,433.79 : x
  2. Step 2: Convert to fraction form
    125,807,715,689.34/188,738,076,945.01 = 40,810,873,433.79/x
  3. Step 3: Cross multiply
    125,807,715,689.34x = 188,738,076,945.01 × 40,810,873,433.79
  4. Step 4: Simplify right side
    125,807,715,689.34x = 7,702,565,770,339,722,199,040
  5. Step 5: Solve for x
    x = 7,702,565,770,339,722,199,040/125,807,715,689.34
  6. Step 6: Final answer
    x = 61,224,907,615.05

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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.