Home / 77,622,232.38-107,116,803.96-42,814,175.58

Finding the Fourth Proportional to 77,622,232.38, 107,116,803.96 and 42,814,175.58

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Solution

The fourth proportional to 77,622,232.38, 107,116,803.96 and 42,814,175.58 is: 59,082,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,622,232.38 : 107,116,803.96 = 42,814,175.58 : x
  2. Step 2: Convert to fraction form
    77,622,232.38/107,116,803.96 = 42,814,175.58/x
  3. Step 3: Cross multiply
    77,622,232.38x = 107,116,803.96 × 42,814,175.58
  4. Step 4: Simplify right side
    77,622,232.38x = 4,586,117,652,311,879
  5. Step 5: Solve for x
    x = 4,586,117,652,311,879/77,622,232.38
  6. Step 6: Final answer
    x = 59,082,527.15

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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.