Home / 129,032,830.80-193,325,297.40-83,571,224.40

Finding the Fourth Proportional to 129,032,830.80, 193,325,297.40 and 83,571,224.40

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Solution

The fourth proportional to 129,032,830.80, 193,325,297.40 and 83,571,224.40 is: 125,211,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032,830.80 : 193,325,297.40 = 83,571,224.40 : x
  2. Step 2: Convert to fraction form
    129,032,830.80/193,325,297.40 = 83,571,224.40/x
  3. Step 3: Cross multiply
    129,032,830.80x = 193,325,297.40 × 83,571,224.40
  4. Step 4: Simplify right side
    129,032,830.80x = 16,156,431,811,212,138
  5. Step 5: Solve for x
    x = 16,156,431,811,212,138/129,032,830.80
  6. Step 6: Final answer
    x = 125,211,790.76

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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.