Home / 210,372,157.98-315,558,239.72-57,018,214.44

Finding the Fourth Proportional to 210,372,157.98, 315,558,239.72 and 57,018,214.44

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Solution

The fourth proportional to 210,372,157.98, 315,558,239.72 and 57,018,214.44 is: 85,527,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,372,157.98 : 315,558,239.72 = 57,018,214.44 : x
  2. Step 2: Convert to fraction form
    210,372,157.98/315,558,239.72 = 57,018,214.44/x
  3. Step 3: Cross multiply
    210,372,157.98x = 315,558,239.72 × 57,018,214.44
  4. Step 4: Simplify right side
    210,372,157.98x = 17,992,567,380,378,792
  5. Step 5: Solve for x
    x = 17,992,567,380,378,792/210,372,157.98
  6. Step 6: Final answer
    x = 85,527,322.40

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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.