Home / 100,028,021.40-149,958,051.30-52,158,965.40

Finding the Fourth Proportional to 100,028,021.40, 149,958,051.30 and 52,158,965.40

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Solution

The fourth proportional to 100,028,021.40, 149,958,051.30 and 52,158,965.40 is: 78,194,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,028,021.40 : 149,958,051.30 = 52,158,965.40 : x
  2. Step 2: Convert to fraction form
    100,028,021.40/149,958,051.30 = 52,158,965.40/x
  3. Step 3: Cross multiply
    100,028,021.40x = 149,958,051.30 × 52,158,965.40
  4. Step 4: Simplify right side
    100,028,021.40x = 7,821,656,809,208,125
  5. Step 5: Solve for x
    x = 7,821,656,809,208,125/100,028,021.40
  6. Step 6: Final answer
    x = 78,194,656.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.