Home / 234,666,350.76-323,833,245.84-128,819,837.28

Finding the Fourth Proportional to 234,666,350.76, 323,833,245.84 and 128,819,837.28

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Solution

The fourth proportional to 234,666,350.76, 323,833,245.84 and 128,819,837.28 is: 177,767,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,666,350.76 : 323,833,245.84 = 128,819,837.28 : x
  2. Step 2: Convert to fraction form
    234,666,350.76/323,833,245.84 = 128,819,837.28/x
  3. Step 3: Cross multiply
    234,666,350.76x = 323,833,245.84 × 128,819,837.28
  4. Step 4: Simplify right side
    234,666,350.76x = 41,716,146,034,963,032
  5. Step 5: Solve for x
    x = 41,716,146,034,963,032/234,666,350.76
  6. Step 6: Final answer
    x = 177,767,907.07

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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.