Home / 76,774,640.87-105,923,135.01-43,711,496.30

Finding the Fourth Proportional to 76,774,640.87, 105,923,135.01 and 43,711,496.30

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Solution

The fourth proportional to 76,774,640.87, 105,923,135.01 and 43,711,496.30 is: 60,307,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,774,640.87 : 105,923,135.01 = 43,711,496.30 : x
  2. Step 2: Convert to fraction form
    76,774,640.87/105,923,135.01 = 43,711,496.30/x
  3. Step 3: Cross multiply
    76,774,640.87x = 105,923,135.01 × 43,711,496.30
  4. Step 4: Simplify right side
    76,774,640.87x = 4,630,058,723,325,842
  5. Step 5: Solve for x
    x = 4,630,058,723,325,842/76,774,640.87
  6. Step 6: Final answer
    x = 60,307,136.20

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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.