Home / 189,842,726,043.98-261,983,221,373.79-103,035,297,105.32

Finding the Fourth Proportional to 189,842,726,043.98, 261,983,221,373.79 and 103,035,297,105.32

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Solution

The fourth proportional to 189,842,726,043.98, 261,983,221,373.79 and 103,035,297,105.32 is: 142,188,850,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,842,726,043.98 : 261,983,221,373.79 = 103,035,297,105.32 : x
  2. Step 2: Convert to fraction form
    189,842,726,043.98/261,983,221,373.79 = 103,035,297,105.32/x
  3. Step 3: Cross multiply
    189,842,726,043.98x = 261,983,221,373.79 × 103,035,297,105.32
  4. Step 4: Simplify right side
    189,842,726,043.98x = 26,993,519,050,857,277,030,400
  5. Step 5: Solve for x
    x = 26,993,519,050,857,277,030,400/189,842,726,043.98
  6. Step 6: Final answer
    x = 142,188,850,810.14

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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.