Home / 76,493,357.84-105,530,869.32-47,073,614.60

Finding the Fourth Proportional to 76,493,357.84, 105,530,869.32 and 47,073,614.60

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Solution

The fourth proportional to 76,493,357.84, 105,530,869.32 and 47,073,614.60 is: 64,943,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,493,357.84 : 105,530,869.32 = 47,073,614.60 : x
  2. Step 2: Convert to fraction form
    76,493,357.84/105,530,869.32 = 47,073,614.60/x
  3. Step 3: Cross multiply
    76,493,357.84x = 105,530,869.32 × 47,073,614.60
  4. Step 4: Simplify right side
    76,493,357.84x = 4,967,719,470,772,644
  5. Step 5: Solve for x
    x = 4,967,719,470,772,644/76,493,357.84
  6. Step 6: Final answer
    x = 64,943,148.15

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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.