Home / 105,428,887.66-158,245,343.16-50,879,872.36

Finding the Fourth Proportional to 105,428,887.66, 158,245,343.16 and 50,879,872.36

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Solution

The fourth proportional to 105,428,887.66, 158,245,343.16 and 50,879,872.36 is: 76,369,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,428,887.66 : 158,245,343.16 = 50,879,872.36 : x
  2. Step 2: Convert to fraction form
    105,428,887.66/158,245,343.16 = 50,879,872.36/x
  3. Step 3: Cross multiply
    105,428,887.66x = 158,245,343.16 × 50,879,872.36
  4. Step 4: Simplify right side
    105,428,887.66x = 8,051,502,861,545,199
  5. Step 5: Solve for x
    x = 8,051,502,861,545,199/105,428,887.66
  6. Step 6: Final answer
    x = 76,369,039.27

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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.