Home / 281,614,223.40-422,421,335.10-143,864,716.20

Finding the Fourth Proportional to 281,614,223.40, 422,421,335.10 and 143,864,716.20

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Solution

The fourth proportional to 281,614,223.40, 422,421,335.10 and 143,864,716.20 is: 215,797,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,614,223.40 : 422,421,335.10 = 143,864,716.20 : x
  2. Step 2: Convert to fraction form
    281,614,223.40/422,421,335.10 = 143,864,716.20/x
  3. Step 3: Cross multiply
    281,614,223.40x = 422,421,335.10 × 143,864,716.20
  4. Step 4: Simplify right side
    281,614,223.40x = 60,771,525,490,986,600
  5. Step 5: Solve for x
    x = 60,771,525,490,986,600/281,614,223.40
  6. Step 6: Final answer
    x = 215,797,074.30

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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.