Home / 74,507,211.72-102,761,613.90-48,410,207.28

Finding the Fourth Proportional to 74,507,211.72, 102,761,613.90 and 48,410,207.28

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Solution

The fourth proportional to 74,507,211.72, 102,761,613.90 and 48,410,207.28 is: 66,768,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,507,211.72 : 102,761,613.90 = 48,410,207.28 : x
  2. Step 2: Convert to fraction form
    74,507,211.72/102,761,613.90 = 48,410,207.28/x
  3. Step 3: Cross multiply
    74,507,211.72x = 102,761,613.90 × 48,410,207.28
  4. Step 4: Simplify right side
    74,507,211.72x = 4,974,711,029,326,330
  5. Step 5: Solve for x
    x = 4,974,711,029,326,330/74,507,211.72
  6. Step 6: Final answer
    x = 66,768,181.42

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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.