Home / 143,128,211.41-197,460,133.77-82,766,051.25

Finding the Fourth Proportional to 143,128,211.41, 197,460,133.77 and 82,766,051.25

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Solution

The fourth proportional to 143,128,211.41, 197,460,133.77 and 82,766,051.25 is: 114,184,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,128,211.41 : 197,460,133.77 = 82,766,051.25 : x
  2. Step 2: Convert to fraction form
    143,128,211.41/197,460,133.77 = 82,766,051.25/x
  3. Step 3: Cross multiply
    143,128,211.41x = 197,460,133.77 × 82,766,051.25
  4. Step 4: Simplify right side
    143,128,211.41x = 16,342,995,551,439,676
  5. Step 5: Solve for x
    x = 16,342,995,551,439,676/143,128,211.41
  6. Step 6: Final answer
    x = 114,184,306.44

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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.