Home / 172,939,089.30-238,655,785.77-94,622,969.22

Finding the Fourth Proportional to 172,939,089.30, 238,655,785.77 and 94,622,969.22

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Solution

The fourth proportional to 172,939,089.30, 238,655,785.77 and 94,622,969.22 is: 130,579,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,939,089.30 : 238,655,785.77 = 94,622,969.22 : x
  2. Step 2: Convert to fraction form
    172,939,089.30/238,655,785.77 = 94,622,969.22/x
  3. Step 3: Cross multiply
    172,939,089.30x = 238,655,785.77 × 94,622,969.22
  4. Step 4: Simplify right side
    172,939,089.30x = 22,582,319,071,089,624
  5. Step 5: Solve for x
    x = 22,582,319,071,089,624/172,939,089.30
  6. Step 6: Final answer
    x = 130,579,611.37

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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.