Home / 288,102,484.56-397,619,276.04-164,314,785.36

Finding the Fourth Proportional to 288,102,484.56, 397,619,276.04 and 164,314,785.36

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Solution

The fourth proportional to 288,102,484.56, 397,619,276.04 and 164,314,785.36 is: 226,775,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,102,484.56 : 397,619,276.04 = 164,314,785.36 : x
  2. Step 2: Convert to fraction form
    288,102,484.56/397,619,276.04 = 164,314,785.36/x
  3. Step 3: Cross multiply
    288,102,484.56x = 397,619,276.04 × 164,314,785.36
  4. Step 4: Simplify right side
    288,102,484.56x = 65,334,725,997,511,200
  5. Step 5: Solve for x
    x = 65,334,725,997,511,200/288,102,484.56
  6. Step 6: Final answer
    x = 226,775,989.44

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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.