Home / 293,419,908.90-440,129,863.35-157,371,012.90

Finding the Fourth Proportional to 293,419,908.90, 440,129,863.35 and 157,371,012.90

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Solution

The fourth proportional to 293,419,908.90, 440,129,863.35 and 157,371,012.90 is: 236,056,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,908.90 : 440,129,863.35 = 157,371,012.90 : x
  2. Step 2: Convert to fraction form
    293,419,908.90/440,129,863.35 = 157,371,012.90/x
  3. Step 3: Cross multiply
    293,419,908.90x = 440,129,863.35 × 157,371,012.90
  4. Step 4: Simplify right side
    293,419,908.90x = 69,263,682,402,928,096
  5. Step 5: Solve for x
    x = 69,263,682,402,928,096/293,419,908.90
  6. Step 6: Final answer
    x = 236,056,519.35

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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.