Home / 423,536,974.40-635,179,490.40-164,603,172.80

Finding the Fourth Proportional to 423,536,974.40, 635,179,490.40 and 164,603,172.80

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Solution

The fourth proportional to 423,536,974.40, 635,179,490.40 and 164,603,172.80 is: 246,855,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,536,974.40 : 635,179,490.40 = 164,603,172.80 : x
  2. Step 2: Convert to fraction form
    423,536,974.40/635,179,490.40 = 164,603,172.80/x
  3. Step 3: Cross multiply
    423,536,974.40x = 635,179,490.40 × 164,603,172.80
  4. Step 4: Simplify right side
    423,536,974.40x = 104,552,559,417,327,152
  5. Step 5: Solve for x
    x = 104,552,559,417,327,152/423,536,974.40
  6. Step 6: Final answer
    x = 246,855,801.82

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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.