Home / 172,910,769.18-238,590,814.56-98,577,788.46

Finding the Fourth Proportional to 172,910,769.18, 238,590,814.56 and 98,577,788.46

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Solution

The fourth proportional to 172,910,769.18, 238,590,814.56 and 98,577,788.46 is: 136,022,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,910,769.18 : 238,590,814.56 = 98,577,788.46 : x
  2. Step 2: Convert to fraction form
    172,910,769.18/238,590,814.56 = 98,577,788.46/x
  3. Step 3: Cross multiply
    172,910,769.18x = 238,590,814.56 × 98,577,788.46
  4. Step 4: Simplify right side
    172,910,769.18x = 23,519,754,846,194,768
  5. Step 5: Solve for x
    x = 23,519,754,846,194,768/172,910,769.18
  6. Step 6: Final answer
    x = 136,022,498.53

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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.