Home / 189,842,726,100.17-261,983,221,451.08-103,035,297,161.24

Finding the Fourth Proportional to 189,842,726,100.17, 261,983,221,451.08 and 103,035,297,161.24

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Solution

The fourth proportional to 189,842,726,100.17, 261,983,221,451.08 and 103,035,297,161.24 is: 142,188,850,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,842,726,100.17 : 261,983,221,451.08 = 103,035,297,161.24 : x
  2. Step 2: Convert to fraction form
    189,842,726,100.17/261,983,221,451.08 = 103,035,297,161.24/x
  3. Step 3: Cross multiply
    189,842,726,100.17x = 261,983,221,451.08 × 103,035,297,161.24
  4. Step 4: Simplify right side
    189,842,726,100.17x = 26,993,519,073,470,971,904,000
  5. Step 5: Solve for x
    x = 26,993,519,073,470,971,904,000/189,842,726,100.17
  6. Step 6: Final answer
    x = 142,188,850,887.17

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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.