Home / 100,927,142.48-139,279,517.64-54,517,416.90

Finding the Fourth Proportional to 100,927,142.48, 139,279,517.64 and 54,517,416.90

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Solution

The fourth proportional to 100,927,142.48, 139,279,517.64 and 54,517,416.90 is: 75,234,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,927,142.48 : 139,279,517.64 = 54,517,416.90 : x
  2. Step 2: Convert to fraction form
    100,927,142.48/139,279,517.64 = 54,517,416.90/x
  3. Step 3: Cross multiply
    100,927,142.48x = 139,279,517.64 × 54,517,416.90
  4. Step 4: Simplify right side
    100,927,142.48x = 7,593,159,529,022,689
  5. Step 5: Solve for x
    x = 7,593,159,529,022,689/100,927,142.48
  6. Step 6: Final answer
    x = 75,234,068.29

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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.