Home / 43,941,364.80-65,865,391.20-21,207,451.20

Finding the Fourth Proportional to 43,941,364.80, 65,865,391.20 and 21,207,451.20

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Solution

The fourth proportional to 43,941,364.80, 65,865,391.20 and 21,207,451.20 is: 31,788,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,941,364.80 : 65,865,391.20 = 21,207,451.20 : x
  2. Step 2: Convert to fraction form
    43,941,364.80/65,865,391.20 = 21,207,451.20/x
  3. Step 3: Cross multiply
    43,941,364.80x = 65,865,391.20 × 21,207,451.20
  4. Step 4: Simplify right side
    43,941,364.80x = 1,396,837,069,642,909.50
  5. Step 5: Solve for x
    x = 1,396,837,069,642,909.50/43,941,364.80
  6. Step 6: Final answer
    x = 31,788,659.18

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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.