Home / 49,845,040.90-74,777,670.15-28,289,968.90

Finding the Fourth Proportional to 49,845,040.90, 74,777,670.15 and 28,289,968.90

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Solution

The fourth proportional to 49,845,040.90, 74,777,670.15 and 28,289,968.90 is: 42,440,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845,040.90 : 74,777,670.15 = 28,289,968.90 : x
  2. Step 2: Convert to fraction form
    49,845,040.90/74,777,670.15 = 28,289,968.90/x
  3. Step 3: Cross multiply
    49,845,040.90x = 74,777,670.15 × 28,289,968.90
  4. Step 4: Simplify right side
    49,845,040.90x = 2,115,457,962,957,958.50
  5. Step 5: Solve for x
    x = 2,115,457,962,957,958.50/49,845,040.90
  6. Step 6: Final answer
    x = 42,440,690.68

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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.