Home / 49,948,376.04-74,920,853.34-21,175,983.72

Finding the Fourth Proportional to 49,948,376.04, 74,920,853.34 and 21,175,983.72

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Solution

The fourth proportional to 49,948,376.04, 74,920,853.34 and 21,175,983.72 is: 31,763,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,948,376.04 : 74,920,853.34 = 21,175,983.72 : x
  2. Step 2: Convert to fraction form
    49,948,376.04/74,920,853.34 = 21,175,983.72/x
  3. Step 3: Cross multiply
    49,948,376.04x = 74,920,853.34 × 21,175,983.72
  4. Step 4: Simplify right side
    49,948,376.04x = 1,586,522,770,616,347.50
  5. Step 5: Solve for x
    x = 1,586,522,770,616,347.50/49,948,376.04
  6. Step 6: Final answer
    x = 31,763,250.31

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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.