Home / 281,899,372.53-389,016,360.91-158,137,392.45

Finding the Fourth Proportional to 281,899,372.53, 389,016,360.91 and 158,137,392.45

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Solution

The fourth proportional to 281,899,372.53, 389,016,360.91 and 158,137,392.45 is: 218,226,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,899,372.53 : 389,016,360.91 = 158,137,392.45 : x
  2. Step 2: Convert to fraction form
    281,899,372.53/389,016,360.91 = 158,137,392.45/x
  3. Step 3: Cross multiply
    281,899,372.53x = 389,016,360.91 × 158,137,392.45
  4. Step 4: Simplify right side
    281,899,372.53x = 61,518,032,934,695,512
  5. Step 5: Solve for x
    x = 61,518,032,934,695,512/281,899,372.53
  6. Step 6: Final answer
    x = 218,226,923.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.