Home / 85,060,219.50-117,383,693.40-48,390,790.50

Finding the Fourth Proportional to 85,060,219.50, 117,383,693.40 and 48,390,790.50

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Solution

The fourth proportional to 85,060,219.50, 117,383,693.40 and 48,390,790.50 is: 66,779,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,060,219.50 : 117,383,693.40 = 48,390,790.50 : x
  2. Step 2: Convert to fraction form
    85,060,219.50/117,383,693.40 = 48,390,790.50/x
  3. Step 3: Cross multiply
    85,060,219.50x = 117,383,693.40 × 48,390,790.50
  4. Step 4: Simplify right side
    85,060,219.50x = 5,680,289,715,435,633
  5. Step 5: Solve for x
    x = 5,680,289,715,435,633/85,060,219.50
  6. Step 6: Final answer
    x = 66,779,626.82

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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.