Home / 189,200,002,796.22-261,097,632,086.31-107,913,943,111.98

Finding the Fourth Proportional to 189,200,002,796.22, 261,097,632,086.31 and 107,913,943,111.98

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Solution

The fourth proportional to 189,200,002,796.22, 261,097,632,086.31 and 107,913,943,111.98 is: 148,922,170,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,200,002,796.22 : 261,097,632,086.31 = 107,913,943,111.98 : x
  2. Step 2: Convert to fraction form
    189,200,002,796.22/261,097,632,086.31 = 107,913,943,111.98/x
  3. Step 3: Cross multiply
    189,200,002,796.22x = 261,097,632,086.31 × 107,913,943,111.98
  4. Step 4: Simplify right side
    189,200,002,796.22x = 28,176,075,015,634,739,527,680
  5. Step 5: Solve for x
    x = 28,176,075,015,634,739,527,680/189,200,002,796.22
  6. Step 6: Final answer
    x = 148,922,170,186.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.