Home / 43,468,986.40-65,203,479.60-30,714,402.40

Finding the Fourth Proportional to 43,468,986.40, 65,203,479.60 and 30,714,402.40

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Solution

The fourth proportional to 43,468,986.40, 65,203,479.60 and 30,714,402.40 is: 46,071,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,468,986.40 : 65,203,479.60 = 30,714,402.40 : x
  2. Step 2: Convert to fraction form
    43,468,986.40/65,203,479.60 = 30,714,402.40/x
  3. Step 3: Cross multiply
    43,468,986.40x = 65,203,479.60 × 30,714,402.40
  4. Step 4: Simplify right side
    43,468,986.40x = 2,002,685,910,314,591
  5. Step 5: Solve for x
    x = 2,002,685,910,314,591/43,468,986.40
  6. Step 6: Final answer
    x = 46,071,603.60

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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.