Home / 33,009,130.30-49,401,721.05-28,978,051.90

Finding the Fourth Proportional to 33,009,130.30, 49,401,721.05 and 28,978,051.90

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Solution

The fourth proportional to 33,009,130.30, 49,401,721.05 and 28,978,051.90 is: 43,368,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,009,130.30 : 49,401,721.05 = 28,978,051.90 : x
  2. Step 2: Convert to fraction form
    33,009,130.30/49,401,721.05 = 28,978,051.90/x
  3. Step 3: Cross multiply
    33,009,130.30x = 49,401,721.05 × 28,978,051.90
  4. Step 4: Simplify right side
    33,009,130.30x = 1,431,565,636,536,222.25
  5. Step 5: Solve for x
    x = 1,431,565,636,536,222.25/33,009,130.30
  6. Step 6: Final answer
    x = 43,368,777.78

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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.