Home / 336,068,037.82-503,814,526.37-128,955,078.20

Finding the Fourth Proportional to 336,068,037.82, 503,814,526.37 and 128,955,078.20

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Solution

The fourth proportional to 336,068,037.82, 503,814,526.37 and 128,955,078.20 is: 193,322,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,068,037.82 : 503,814,526.37 = 128,955,078.20 : x
  2. Step 2: Convert to fraction form
    336,068,037.82/503,814,526.37 = 128,955,078.20/x
  3. Step 3: Cross multiply
    336,068,037.82x = 503,814,526.37 × 128,955,078.20
  4. Step 4: Simplify right side
    336,068,037.82x = 64,969,441,648,159,808
  5. Step 5: Solve for x
    x = 64,969,441,648,159,808/336,068,037.82
  6. Step 6: Final answer
    x = 193,322,286.97

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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.