Home / 257,935,321.50-355,950,766.20-140,460,616.50

Finding the Fourth Proportional to 257,935,321.50, 355,950,766.20 and 140,460,616.50

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Solution

The fourth proportional to 257,935,321.50, 355,950,766.20 and 140,460,616.50 is: 193,835,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,935,321.50 : 355,950,766.20 = 140,460,616.50 : x
  2. Step 2: Convert to fraction form
    257,935,321.50/355,950,766.20 = 140,460,616.50/x
  3. Step 3: Cross multiply
    257,935,321.50x = 355,950,766.20 × 140,460,616.50
  4. Step 4: Simplify right side
    257,935,321.50x = 49,997,064,064,099,360
  5. Step 5: Solve for x
    x = 49,997,064,064,099,360/257,935,321.50
  6. Step 6: Final answer
    x = 193,835,663.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.