Home / 82,738,445.95-114,187,120.33-61,794,116.94

Finding the Fourth Proportional to 82,738,445.95, 114,187,120.33 and 61,794,116.94

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Solution

The fourth proportional to 82,738,445.95, 114,187,120.33 and 61,794,116.94 is: 85,281,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,738,445.95 : 114,187,120.33 = 61,794,116.94 : x
  2. Step 2: Convert to fraction form
    82,738,445.95/114,187,120.33 = 61,794,116.94/x
  3. Step 3: Cross multiply
    82,738,445.95x = 114,187,120.33 × 61,794,116.94
  4. Step 4: Simplify right side
    82,738,445.95x = 7,056,092,266,713,871
  5. Step 5: Solve for x
    x = 7,056,092,266,713,871/82,738,445.95
  6. Step 6: Final answer
    x = 85,281,904.75

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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.