Home / 76,310,694.28-105,336,152.58-45,370,789.96

Finding the Fourth Proportional to 76,310,694.28, 105,336,152.58 and 45,370,789.96

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Solution

The fourth proportional to 76,310,694.28, 105,336,152.58 and 45,370,789.96 is: 62,627,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,310,694.28 : 105,336,152.58 = 45,370,789.96 : x
  2. Step 2: Convert to fraction form
    76,310,694.28/105,336,152.58 = 45,370,789.96/x
  3. Step 3: Cross multiply
    76,310,694.28x = 105,336,152.58 × 45,370,789.96
  4. Step 4: Simplify right side
    76,310,694.28x = 4,779,184,453,901,692
  5. Step 5: Solve for x
    x = 4,779,184,453,901,692/76,310,694.28
  6. Step 6: Final answer
    x = 62,627,977.62

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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.