Home / 347,583,285.60-521,668,861.20-143,257,999.20

Finding the Fourth Proportional to 347,583,285.60, 521,668,861.20 and 143,257,999.20

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Solution

The fourth proportional to 347,583,285.60, 521,668,861.20 and 143,257,999.20 is: 215,008,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,583,285.60 : 521,668,861.20 = 143,257,999.20 : x
  2. Step 2: Convert to fraction form
    347,583,285.60/521,668,861.20 = 143,257,999.20/x
  3. Step 3: Cross multiply
    347,583,285.60x = 521,668,861.20 × 143,257,999.20
  4. Step 4: Simplify right side
    347,583,285.60x = 74,733,237,300,454,496
  5. Step 5: Solve for x
    x = 74,733,237,300,454,496/347,583,285.60
  6. Step 6: Final answer
    x = 215,008,144.51

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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.