Home / 189,200,002,798.72-261,097,632,089.76-107,913,943,114.48

Finding the Fourth Proportional to 189,200,002,798.72, 261,097,632,089.76 and 107,913,943,114.48

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Solution

The fourth proportional to 189,200,002,798.72, 261,097,632,089.76 and 107,913,943,114.48 is: 148,922,170,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,200,002,798.72 : 261,097,632,089.76 = 107,913,943,114.48 : x
  2. Step 2: Convert to fraction form
    189,200,002,798.72/261,097,632,089.76 = 107,913,943,114.48/x
  3. Step 3: Cross multiply
    189,200,002,798.72x = 261,097,632,089.76 × 107,913,943,114.48
  4. Step 4: Simplify right side
    189,200,002,798.72x = 28,176,075,016,659,789,676,544
  5. Step 5: Solve for x
    x = 28,176,075,016,659,789,676,544/189,200,002,798.72
  6. Step 6: Final answer
    x = 148,922,170,189.58

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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.