Home / 49,948,373.04-74,920,848.84-21,175,980.72

Finding the Fourth Proportional to 49,948,373.04, 74,920,848.84 and 21,175,980.72

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Solution

The fourth proportional to 49,948,373.04, 74,920,848.84 and 21,175,980.72 is: 31,763,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,948,373.04 : 74,920,848.84 = 21,175,980.72 : x
  2. Step 2: Convert to fraction form
    49,948,373.04/74,920,848.84 = 21,175,980.72/x
  3. Step 3: Cross multiply
    49,948,373.04x = 74,920,848.84 × 21,175,980.72
  4. Step 4: Simplify right side
    49,948,373.04x = 1,586,522,450,561,874.25
  5. Step 5: Solve for x
    x = 1,586,522,450,561,874.25/49,948,373.04
  6. Step 6: Final answer
    x = 31,763,245.81

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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.