Home / 81,096,333.57-111,823,280.33-51,681,096.09

Finding the Fourth Proportional to 81,096,333.57, 111,823,280.33 and 51,681,096.09

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Solution

The fourth proportional to 81,096,333.57, 111,823,280.33 and 51,681,096.09 is: 71,262,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,096,333.57 : 111,823,280.33 = 51,681,096.09 : x
  2. Step 2: Convert to fraction form
    81,096,333.57/111,823,280.33 = 51,681,096.09/x
  3. Step 3: Cross multiply
    81,096,333.57x = 111,823,280.33 × 51,681,096.09
  4. Step 4: Simplify right side
    81,096,333.57x = 5,779,149,695,575,332
  5. Step 5: Solve for x
    x = 5,779,149,695,575,332/81,096,333.57
  6. Step 6: Final answer
    x = 71,262,774.05

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