Home / 189,842,726,105.42-261,983,221,458.34-103,035,297,166.50

Finding the Fourth Proportional to 189,842,726,105.42, 261,983,221,458.34 and 103,035,297,166.50

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Solution

The fourth proportional to 189,842,726,105.42, 261,983,221,458.34 and 103,035,297,166.50 is: 142,188,850,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,842,726,105.42 : 261,983,221,458.34 = 103,035,297,166.50 : x
  2. Step 2: Convert to fraction form
    189,842,726,105.42/261,983,221,458.34 = 103,035,297,166.50/x
  3. Step 3: Cross multiply
    189,842,726,105.42x = 261,983,221,458.34 × 103,035,297,166.50
  4. Step 4: Simplify right side
    189,842,726,105.42x = 26,993,519,075,597,039,435,776
  5. Step 5: Solve for x
    x = 26,993,519,075,597,039,435,776/189,842,726,105.42
  6. Step 6: Final answer
    x = 142,188,850,894.44

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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.