Home / 82,451,693,278.60-123,742,037,172.30-38,291,229,406.60

Finding the Fourth Proportional to 82,451,693,278.60, 123,742,037,172.30 and 38,291,229,406.60

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Solution

The fourth proportional to 82,451,693,278.60, 123,742,037,172.30 and 38,291,229,406.60 is: 57,466,797,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,451,693,278.60 : 123,742,037,172.30 = 38,291,229,406.60 : x
  2. Step 2: Convert to fraction form
    82,451,693,278.60/123,742,037,172.30 = 38,291,229,406.60/x
  3. Step 3: Cross multiply
    82,451,693,278.60x = 123,742,037,172.30 × 38,291,229,406.60
  4. Step 4: Simplify right side
    82,451,693,278.60x = 4,738,234,732,604,563,652,608
  5. Step 5: Solve for x
    x = 4,738,234,732,604,563,652,608/82,451,693,278.60
  6. Step 6: Final answer
    x = 57,466,797,153.51

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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.