Home / 76,361,207.96-105,431,187.90-71,482,579.58

Finding the Fourth Proportional to 76,361,207.96, 105,431,187.90 and 71,482,579.58

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Solution

The fourth proportional to 76,361,207.96, 105,431,187.90 and 71,482,579.58 is: 98,695,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,361,207.96 : 105,431,187.90 = 71,482,579.58 : x
  2. Step 2: Convert to fraction form
    76,361,207.96/105,431,187.90 = 71,482,579.58/x
  3. Step 3: Cross multiply
    76,361,207.96x = 105,431,187.90 × 71,482,579.58
  4. Step 4: Simplify right side
    76,361,207.96x = 7,536,493,279,807,320
  5. Step 5: Solve for x
    x = 7,536,493,279,807,320/76,361,207.96
  6. Step 6: Final answer
    x = 98,695,312.46

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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.