Home / 72,183,782.60-108,275,673.90-33,920,030.60

Finding the Fourth Proportional to 72,183,782.60, 108,275,673.90 and 33,920,030.60

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Solution

The fourth proportional to 72,183,782.60, 108,275,673.90 and 33,920,030.60 is: 50,880,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,782.60 : 108,275,673.90 = 33,920,030.60 : x
  2. Step 2: Convert to fraction form
    72,183,782.60/108,275,673.90 = 33,920,030.60/x
  3. Step 3: Cross multiply
    72,183,782.60x = 108,275,673.90 × 33,920,030.60
  4. Step 4: Simplify right side
    72,183,782.60x = 3,672,714,171,923,621.50
  5. Step 5: Solve for x
    x = 3,672,714,171,923,621.50/72,183,782.60
  6. Step 6: Final answer
    x = 50,880,045.90

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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.