Home / 43,582,363.20-65,373,544.80-38,879,438.40

Finding the Fourth Proportional to 43,582,363.20, 65,373,544.80 and 38,879,438.40

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Solution

The fourth proportional to 43,582,363.20, 65,373,544.80 and 38,879,438.40 is: 58,319,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,582,363.20 : 65,373,544.80 = 38,879,438.40 : x
  2. Step 2: Convert to fraction form
    43,582,363.20/65,373,544.80 = 38,879,438.40/x
  3. Step 3: Cross multiply
    43,582,363.20x = 65,373,544.80 × 38,879,438.40
  4. Step 4: Simplify right side
    43,582,363.20x = 2,541,686,708,041,240
  5. Step 5: Solve for x
    x = 2,541,686,708,041,240/43,582,363.20
  6. Step 6: Final answer
    x = 58,319,157.60

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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.