Home / 76,822,557.03-106,032,153.06-53,013,600.90

Finding the Fourth Proportional to 76,822,557.03, 106,032,153.06 and 53,013,600.90

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Solution

The fourth proportional to 76,822,557.03, 106,032,153.06 and 53,013,600.90 is: 73,170,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,822,557.03 : 106,032,153.06 = 53,013,600.90 : x
  2. Step 2: Convert to fraction form
    76,822,557.03/106,032,153.06 = 53,013,600.90/x
  3. Step 3: Cross multiply
    76,822,557.03x = 106,032,153.06 × 53,013,600.90
  4. Step 4: Simplify right side
    76,822,557.03x = 5,621,146,244,890,554
  5. Step 5: Solve for x
    x = 5,621,146,244,890,554/76,822,557.03
  6. Step 6: Final answer
    x = 73,170,517.39

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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.