Home / 210,364,007.76-315,531,046.37-64,782,388.82

Finding the Fourth Proportional to 210,364,007.76, 315,531,046.37 and 64,782,388.82

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Solution

The fourth proportional to 210,364,007.76, 315,531,046.37 and 64,782,388.82 is: 97,168,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,364,007.76 : 315,531,046.37 = 64,782,388.82 : x
  2. Step 2: Convert to fraction form
    210,364,007.76/315,531,046.37 = 64,782,388.82/x
  3. Step 3: Cross multiply
    210,364,007.76x = 315,531,046.37 × 64,782,388.82
  4. Step 4: Simplify right side
    210,364,007.76x = 20,440,854,928,821,224
  5. Step 5: Solve for x
    x = 20,440,854,928,821,224/210,364,007.76
  6. Step 6: Final answer
    x = 97,168,974.61

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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.