Home / 77,622,237.44-107,116,810.88-42,814,180.56

Finding the Fourth Proportional to 77,622,237.44, 107,116,810.88 and 42,814,180.56

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Solution

The fourth proportional to 77,622,237.44, 107,116,810.88 and 42,814,180.56 is: 59,082,533.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,622,237.44 : 107,116,810.88 = 42,814,180.56 : x
  2. Step 2: Convert to fraction form
    77,622,237.44/107,116,810.88 = 42,814,180.56/x
  3. Step 3: Cross multiply
    77,622,237.44x = 107,116,810.88 × 42,814,180.56
  4. Step 4: Simplify right side
    77,622,237.44x = 4,586,118,482,027,693
  5. Step 5: Solve for x
    x = 4,586,118,482,027,693/77,622,237.44
  6. Step 6: Final answer
    x = 59,082,533.99

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1.5x scale

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.