Home / 81,551,353,649.96-112,546,524,292.80-49,438,069,317.56

Finding the Fourth Proportional to 81,551,353,649.96, 112,546,524,292.80 and 49,438,069,317.56

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Solution

The fourth proportional to 81,551,353,649.96, 112,546,524,292.80 and 49,438,069,317.56 is: 68,227,964,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,551,353,649.96 : 112,546,524,292.80 = 49,438,069,317.56 : x
  2. Step 2: Convert to fraction form
    81,551,353,649.96/112,546,524,292.80 = 49,438,069,317.56/x
  3. Step 3: Cross multiply
    81,551,353,649.96x = 112,546,524,292.80 × 49,438,069,317.56
  4. Step 4: Simplify right side
    81,551,353,649.96x = 5,564,082,869,437,896,589,312
  5. Step 5: Solve for x
    x = 5,564,082,869,437,896,589,312/81,551,353,649.96
  6. Step 6: Final answer
    x = 68,227,964,594.19

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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.