Home / 139,980,219,235.42-209,946,646,327.48-39,227,898,528.58

Finding the Fourth Proportional to 139,980,219,235.42, 209,946,646,327.48 and 39,227,898,528.58

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Solution

The fourth proportional to 139,980,219,235.42, 209,946,646,327.48 and 39,227,898,528.58 is: 58,835,211,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,980,219,235.42 : 209,946,646,327.48 = 39,227,898,528.58 : x
  2. Step 2: Convert to fraction form
    139,980,219,235.42/209,946,646,327.48 = 39,227,898,528.58/x
  3. Step 3: Cross multiply
    139,980,219,235.42x = 209,946,646,327.48 × 39,227,898,528.58
  4. Step 4: Simplify right side
    139,980,219,235.42x = 8,235,765,738,550,058,811,392
  5. Step 5: Solve for x
    x = 8,235,765,738,550,058,811,392/139,980,219,235.42
  6. Step 6: Final answer
    x = 58,835,211,028.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.