Home / 171,014,215.44-256,429,043.30-77,590,197.20

Finding the Fourth Proportional to 171,014,215.44, 256,429,043.30 and 77,590,197.20

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Solution

The fourth proportional to 171,014,215.44, 256,429,043.30 and 77,590,197.20 is: 116,343,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,014,215.44 : 256,429,043.30 = 77,590,197.20 : x
  2. Step 2: Convert to fraction form
    171,014,215.44/256,429,043.30 = 77,590,197.20/x
  3. Step 3: Cross multiply
    171,014,215.44x = 256,429,043.30 × 77,590,197.20
  4. Step 4: Simplify right side
    171,014,215.44x = 19,896,380,037,454,340
  5. Step 5: Solve for x
    x = 19,896,380,037,454,340/171,014,215.44
  6. Step 6: Final answer
    x = 116,343,427.86

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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.