Home / 72,743,624.20-109,131,182.70-21,630,809.80

Finding the Fourth Proportional to 72,743,624.20, 109,131,182.70 and 21,630,809.80

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Solution

The fourth proportional to 72,743,624.20, 109,131,182.70 and 21,630,809.80 is: 32,450,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,743,624.20 : 109,131,182.70 = 21,630,809.80 : x
  2. Step 2: Convert to fraction form
    72,743,624.20/109,131,182.70 = 21,630,809.80/x
  3. Step 3: Cross multiply
    72,743,624.20x = 109,131,182.70 × 21,630,809.80
  4. Step 4: Simplify right side
    72,743,624.20x = 2,360,595,856,232,750.50
  5. Step 5: Solve for x
    x = 2,360,595,856,232,750.50/72,743,624.20
  6. Step 6: Final answer
    x = 32,450,897.00

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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.