Home / 189,842,726,045.48-261,983,221,375.86-103,035,297,106.82

Finding the Fourth Proportional to 189,842,726,045.48, 261,983,221,375.86 and 103,035,297,106.82

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Solution

The fourth proportional to 189,842,726,045.48, 261,983,221,375.86 and 103,035,297,106.82 is: 142,188,850,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,842,726,045.48 : 261,983,221,375.86 = 103,035,297,106.82 : x
  2. Step 2: Convert to fraction form
    189,842,726,045.48/261,983,221,375.86 = 103,035,297,106.82/x
  3. Step 3: Cross multiply
    189,842,726,045.48x = 261,983,221,375.86 × 103,035,297,106.82
  4. Step 4: Simplify right side
    189,842,726,045.48x = 26,993,519,051,463,530,119,168
  5. Step 5: Solve for x
    x = 26,993,519,051,463,530,119,168/189,842,726,045.48
  6. Step 6: Final answer
    x = 142,188,850,812.21

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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.