Home / 286,143,664.80-429,215,497.20-70,732,912.80

Finding the Fourth Proportional to 286,143,664.80, 429,215,497.20 and 70,732,912.80

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Solution

The fourth proportional to 286,143,664.80, 429,215,497.20 and 70,732,912.80 is: 106,099,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,143,664.80 : 429,215,497.20 = 70,732,912.80 : x
  2. Step 2: Convert to fraction form
    286,143,664.80/429,215,497.20 = 70,732,912.80/x
  3. Step 3: Cross multiply
    286,143,664.80x = 429,215,497.20 × 70,732,912.80
  4. Step 4: Simplify right side
    286,143,664.80x = 30,359,662,335,856,244
  5. Step 5: Solve for x
    x = 30,359,662,335,856,244/286,143,664.80
  6. Step 6: Final answer
    x = 106,099,369.20

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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.