Home / 189,842,726,100.42-261,983,221,451.43-103,035,297,161.49

Finding the Fourth Proportional to 189,842,726,100.42, 261,983,221,451.43 and 103,035,297,161.49

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Solution

The fourth proportional to 189,842,726,100.42, 261,983,221,451.43 and 103,035,297,161.49 is: 142,188,850,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,842,726,100.42 : 261,983,221,451.43 = 103,035,297,161.49 : x
  2. Step 2: Convert to fraction form
    189,842,726,100.42/261,983,221,451.43 = 103,035,297,161.49/x
  3. Step 3: Cross multiply
    189,842,726,100.42x = 261,983,221,451.43 × 103,035,297,161.49
  4. Step 4: Simplify right side
    189,842,726,100.42x = 26,993,519,073,572,532,781,056
  5. Step 5: Solve for x
    x = 26,993,519,073,572,532,781,056/189,842,726,100.42
  6. Step 6: Final answer
    x = 142,188,850,887.52

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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.