Home / 72,704,000.20-109,056,000.30-21,593,907.40

Finding the Fourth Proportional to 72,704,000.20, 109,056,000.30 and 21,593,907.40

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Solution

The fourth proportional to 72,704,000.20, 109,056,000.30 and 21,593,907.40 is: 32,390,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,704,000.20 : 109,056,000.30 = 21,593,907.40 : x
  2. Step 2: Convert to fraction form
    72,704,000.20/109,056,000.30 = 21,593,907.40/x
  3. Step 3: Cross multiply
    72,704,000.20x = 109,056,000.30 × 21,593,907.40
  4. Step 4: Simplify right side
    72,704,000.20x = 2,354,945,171,892,572
  5. Step 5: Solve for x
    x = 2,354,945,171,892,572/72,704,000.20
  6. Step 6: Final answer
    x = 32,390,861.10

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1.5x scale

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.