Home / 76,361,208.96-105,431,189.28-71,482,580.58

Finding the Fourth Proportional to 76,361,208.96, 105,431,189.28 and 71,482,580.58

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Solution

The fourth proportional to 76,361,208.96, 105,431,189.28 and 71,482,580.58 is: 98,695,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,361,208.96 : 105,431,189.28 = 71,482,580.58 : x
  2. Step 2: Convert to fraction form
    76,361,208.96/105,431,189.28 = 71,482,580.58/x
  3. Step 3: Cross multiply
    76,361,208.96x = 105,431,189.28 × 71,482,580.58
  4. Step 4: Simplify right side
    76,361,208.96x = 7,536,493,483,352,832
  5. Step 5: Solve for x
    x = 7,536,493,483,352,832/76,361,208.96
  6. Step 6: Final answer
    x = 98,695,313.84

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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.