Home / 228,095,992.40-342,143,988.60-147,408,069.20

Finding the Fourth Proportional to 228,095,992.40, 342,143,988.60 and 147,408,069.20

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Solution

The fourth proportional to 228,095,992.40, 342,143,988.60 and 147,408,069.20 is: 221,112,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,095,992.40 : 342,143,988.60 = 147,408,069.20 : x
  2. Step 2: Convert to fraction form
    228,095,992.40/342,143,988.60 = 147,408,069.20/x
  3. Step 3: Cross multiply
    228,095,992.40x = 342,143,988.60 × 147,408,069.20
  4. Step 4: Simplify right side
    228,095,992.40x = 50,434,784,747,912,808
  5. Step 5: Solve for x
    x = 50,434,784,747,912,808/228,095,992.40
  6. Step 6: Final answer
    x = 221,112,103.80

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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.