Home / 226,528,428.20-312,432,112.31-147,169,065.38

Finding the Fourth Proportional to 226,528,428.20, 312,432,112.31 and 147,169,065.38

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Solution

The fourth proportional to 226,528,428.20, 312,432,112.31 and 147,169,065.38 is: 202,978,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,528,428.20 : 312,432,112.31 = 147,169,065.38 : x
  2. Step 2: Convert to fraction form
    226,528,428.20/312,432,112.31 = 147,169,065.38/x
  3. Step 3: Cross multiply
    226,528,428.20x = 312,432,112.31 × 147,169,065.38
  4. Step 4: Simplify right side
    226,528,428.20x = 45,980,341,961,063,888
  5. Step 5: Solve for x
    x = 45,980,341,961,063,888/226,528,428.20
  6. Step 6: Final answer
    x = 202,978,241.31

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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.