Home / 51,779,797.50-71,457,833.70-28,259,618.52

Finding the Fourth Proportional to 51,779,797.50, 71,457,833.70 and 28,259,618.52

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Solution

The fourth proportional to 51,779,797.50, 71,457,833.70 and 28,259,618.52 is: 38,999,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779,797.50 : 71,457,833.70 = 28,259,618.52 : x
  2. Step 2: Convert to fraction form
    51,779,797.50/71,457,833.70 = 28,259,618.52/x
  3. Step 3: Cross multiply
    51,779,797.50x = 71,457,833.70 × 28,259,618.52
  4. Step 4: Simplify right side
    51,779,797.50x = 2,019,371,120,627,600.25
  5. Step 5: Solve for x
    x = 2,019,371,120,627,600.25/51,779,797.50
  6. Step 6: Final answer
    x = 38,999,208.54

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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.