Home / 189,200,002,797.72-261,097,632,088.38-107,913,943,113.48

Finding the Fourth Proportional to 189,200,002,797.72, 261,097,632,088.38 and 107,913,943,113.48

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Solution

The fourth proportional to 189,200,002,797.72, 261,097,632,088.38 and 107,913,943,113.48 is: 148,922,170,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,200,002,797.72 : 261,097,632,088.38 = 107,913,943,113.48 : x
  2. Step 2: Convert to fraction form
    189,200,002,797.72/261,097,632,088.38 = 107,913,943,113.48/x
  3. Step 3: Cross multiply
    189,200,002,797.72x = 261,097,632,088.38 × 107,913,943,113.48
  4. Step 4: Simplify right side
    189,200,002,797.72x = 28,176,075,016,249,767,100,416
  5. Step 5: Solve for x
    x = 28,176,075,016,249,767,100,416/189,200,002,797.72
  6. Step 6: Final answer
    x = 148,922,170,188.20

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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.