Home / 40,803,912.90-61,205,869.35-40,425,999.30

Finding the Fourth Proportional to 40,803,912.90, 61,205,869.35 and 40,425,999.30

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Solution

The fourth proportional to 40,803,912.90, 61,205,869.35 and 40,425,999.30 is: 60,638,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,912.90 : 61,205,869.35 = 40,425,999.30 : x
  2. Step 2: Convert to fraction form
    40,803,912.90/61,205,869.35 = 40,425,999.30/x
  3. Step 3: Cross multiply
    40,803,912.90x = 61,205,869.35 × 40,425,999.30
  4. Step 4: Simplify right side
    40,803,912.90x = 2,474,308,431,498,991.50
  5. Step 5: Solve for x
    x = 2,474,308,431,498,991.50/40,803,912.90
  6. Step 6: Final answer
    x = 60,638,998.95

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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.