Home / 72,967,245.60-109,450,868.40-29,808,112.80

Finding the Fourth Proportional to 72,967,245.60, 109,450,868.40 and 29,808,112.80

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Solution

The fourth proportional to 72,967,245.60, 109,450,868.40 and 29,808,112.80 is: 44,712,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,967,245.60 : 109,450,868.40 = 29,808,112.80 : x
  2. Step 2: Convert to fraction form
    72,967,245.60/109,450,868.40 = 29,808,112.80/x
  3. Step 3: Cross multiply
    72,967,245.60x = 109,450,868.40 × 29,808,112.80
  4. Step 4: Simplify right side
    72,967,245.60x = 3,262,523,831,325,156
  5. Step 5: Solve for x
    x = 3,262,523,831,325,156/72,967,245.60
  6. Step 6: Final answer
    x = 44,712,169.20

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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.