Home / 262,942,430.80-394,413,646.20-160,905,758.80

Finding the Fourth Proportional to 262,942,430.80, 394,413,646.20 and 160,905,758.80

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Solution

The fourth proportional to 262,942,430.80, 394,413,646.20 and 160,905,758.80 is: 241,358,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,942,430.80 : 394,413,646.20 = 160,905,758.80 : x
  2. Step 2: Convert to fraction form
    262,942,430.80/394,413,646.20 = 160,905,758.80/x
  3. Step 3: Cross multiply
    262,942,430.80x = 394,413,646.20 × 160,905,758.80
  4. Step 4: Simplify right side
    262,942,430.80x = 63,463,427,022,885,736
  5. Step 5: Solve for x
    x = 63,463,427,022,885,736/262,942,430.80
  6. Step 6: Final answer
    x = 241,358,638.20

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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.