Home / 172,828,589.56-238,521,936.67-105,891,969.63

Finding the Fourth Proportional to 172,828,589.56, 238,521,936.67 and 105,891,969.63

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Solution

The fourth proportional to 172,828,589.56, 238,521,936.67 and 105,891,969.63 is: 146,142,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,828,589.56 : 238,521,936.67 = 105,891,969.63 : x
  2. Step 2: Convert to fraction form
    172,828,589.56/238,521,936.67 = 105,891,969.63/x
  3. Step 3: Cross multiply
    172,828,589.56x = 238,521,936.67 × 105,891,969.63
  4. Step 4: Simplify right side
    172,828,589.56x = 25,257,557,674,578,152
  5. Step 5: Solve for x
    x = 25,257,557,674,578,152/172,828,589.56
  6. Step 6: Final answer
    x = 146,142,242.67

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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.