Home / 70,739,737.20-106,109,605.86-19,621,756.02

Finding the Fourth Proportional to 70,739,737.20, 106,109,605.86 and 19,621,756.02

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Solution

The fourth proportional to 70,739,737.20, 106,109,605.86 and 19,621,756.02 is: 29,432,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,739,737.20 : 106,109,605.86 = 19,621,756.02 : x
  2. Step 2: Convert to fraction form
    70,739,737.20/106,109,605.86 = 19,621,756.02/x
  3. Step 3: Cross multiply
    70,739,737.20x = 106,109,605.86 × 19,621,756.02
  4. Step 4: Simplify right side
    70,739,737.20x = 2,082,056,797,563,282.25
  5. Step 5: Solve for x
    x = 2,082,056,797,563,282.25/70,739,737.20
  6. Step 6: Final answer
    x = 29,432,634.05

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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.