Home / 48,353,135.40-72,529,703.10-45,516,450.60

Finding the Fourth Proportional to 48,353,135.40, 72,529,703.10 and 45,516,450.60

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Solution

The fourth proportional to 48,353,135.40, 72,529,703.10 and 45,516,450.60 is: 68,274,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,353,135.40 : 72,529,703.10 = 45,516,450.60 : x
  2. Step 2: Convert to fraction form
    48,353,135.40/72,529,703.10 = 45,516,450.60/x
  3. Step 3: Cross multiply
    48,353,135.40x = 72,529,703.10 × 45,516,450.60
  4. Step 4: Simplify right side
    48,353,135.40x = 3,301,294,648,183,816.50
  5. Step 5: Solve for x
    x = 3,301,294,648,183,816.50/48,353,135.40
  6. Step 6: Final answer
    x = 68,274,675.90

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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.