Home / 76,652,392.20-105,780,730.89-43,612,640.53

Finding the Fourth Proportional to 76,652,392.20, 105,780,730.89 and 43,612,640.53

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Solution

The fourth proportional to 76,652,392.20, 105,780,730.89 and 43,612,640.53 is: 60,185,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,652,392.20 : 105,780,730.89 = 43,612,640.53 : x
  2. Step 2: Convert to fraction form
    76,652,392.20/105,780,730.89 = 43,612,640.53/x
  3. Step 3: Cross multiply
    76,652,392.20x = 105,780,730.89 × 43,612,640.53
  4. Step 4: Simplify right side
    76,652,392.20x = 4,613,376,991,306,237
  5. Step 5: Solve for x
    x = 4,613,376,991,306,237/76,652,392.20
  6. Step 6: Final answer
    x = 60,185,688.39

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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.