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Finding the Fourth Proportional to 248,839,605.80, 373,259,408.70 and 87,297,871.40

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Solution

The fourth proportional to 248,839,605.80, 373,259,408.70 and 87,297,871.40 is: 130,946,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,839,605.80 : 373,259,408.70 = 87,297,871.40 : x
  2. Step 2: Convert to fraction form
    248,839,605.80/373,259,408.70 = 87,297,871.40/x
  3. Step 3: Cross multiply
    248,839,605.80x = 373,259,408.70 × 87,297,871.40
  4. Step 4: Simplify right side
    248,839,605.80x = 32,584,751,859,532,644
  5. Step 5: Solve for x
    x = 32,584,751,859,532,644/248,839,605.80
  6. Step 6: Final answer
    x = 130,946,807.10

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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.