Home / 76,310,696.28-105,336,155.34-45,370,791.96

Finding the Fourth Proportional to 76,310,696.28, 105,336,155.34 and 45,370,791.96

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Solution

The fourth proportional to 76,310,696.28, 105,336,155.34 and 45,370,791.96 is: 62,627,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,310,696.28 : 105,336,155.34 = 45,370,791.96 : x
  2. Step 2: Convert to fraction form
    76,310,696.28/105,336,155.34 = 45,370,791.96/x
  3. Step 3: Cross multiply
    76,310,696.28x = 105,336,155.34 × 45,370,791.96
  4. Step 4: Simplify right side
    76,310,696.28x = 4,779,184,789,797,383
  5. Step 5: Solve for x
    x = 4,779,184,789,797,383/76,310,696.28
  6. Step 6: Final answer
    x = 62,627,980.39

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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.