Home / 52,251,825.62-78,368,573.46-19,905,669.16

Finding the Fourth Proportional to 52,251,825.62, 78,368,573.46 and 19,905,669.16

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Solution

The fourth proportional to 52,251,825.62, 78,368,573.46 and 19,905,669.16 is: 29,855,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251,825.62 : 78,368,573.46 = 19,905,669.16 : x
  2. Step 2: Convert to fraction form
    52,251,825.62/78,368,573.46 = 19,905,669.16/x
  3. Step 3: Cross multiply
    52,251,825.62x = 78,368,573.46 × 19,905,669.16
  4. Step 4: Simplify right side
    52,251,825.62x = 1,559,978,895,835,916.25
  5. Step 5: Solve for x
    x = 1,559,978,895,835,916.25/52,251,825.62
  6. Step 6: Final answer
    x = 29,855,012.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.