Home / 262,942,633.20-393,658,122.60-160,905,961.20

Finding the Fourth Proportional to 262,942,633.20, 393,658,122.60 and 160,905,961.20

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Solution

The fourth proportional to 262,942,633.20, 393,658,122.60 and 160,905,961.20 is: 240,896,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,942,633.20 : 393,658,122.60 = 160,905,961.20 : x
  2. Step 2: Convert to fraction form
    262,942,633.20/393,658,122.60 = 160,905,961.20/x
  3. Step 3: Cross multiply
    262,942,633.20x = 393,658,122.60 × 160,905,961.20
  4. Step 4: Simplify right side
    262,942,633.20x = 63,341,938,601,140,440
  5. Step 5: Solve for x
    x = 63,341,938,601,140,440/262,942,633.20
  6. Step 6: Final answer
    x = 240,896,418.47

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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.