Home / 347,857,333.40-521,786,000.10-143,280,104.60

Finding the Fourth Proportional to 347,857,333.40, 521,786,000.10 and 143,280,104.60

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Solution

The fourth proportional to 347,857,333.40, 521,786,000.10 and 143,280,104.60 is: 214,920,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,857,333.40 : 521,786,000.10 = 143,280,104.60 : x
  2. Step 2: Convert to fraction form
    347,857,333.40/521,786,000.10 = 143,280,104.60/x
  3. Step 3: Cross multiply
    347,857,333.40x = 521,786,000.10 × 143,280,104.60
  4. Step 4: Simplify right side
    347,857,333.40x = 74,761,552,673,143,616
  5. Step 5: Solve for x
    x = 74,761,552,673,143,616/347,857,333.40
  6. Step 6: Final answer
    x = 214,920,156.90

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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.