Home / 156,863,525.70-235,295,288.55-139,644,837.30

Finding the Fourth Proportional to 156,863,525.70, 235,295,288.55 and 139,644,837.30

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Solution

The fourth proportional to 156,863,525.70, 235,295,288.55 and 139,644,837.30 is: 209,467,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,863,525.70 : 235,295,288.55 = 139,644,837.30 : x
  2. Step 2: Convert to fraction form
    156,863,525.70/235,295,288.55 = 139,644,837.30/x
  3. Step 3: Cross multiply
    156,863,525.70x = 235,295,288.55 × 139,644,837.30
  4. Step 4: Simplify right side
    156,863,525.70x = 32,857,772,287,021,308
  5. Step 5: Solve for x
    x = 32,857,772,287,021,308/156,863,525.70
  6. Step 6: Final answer
    x = 209,467,255.95

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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.