Home / 209,439,179.63-314,053,662.23-122,028,944.93

Finding the Fourth Proportional to 209,439,179.63, 314,053,662.23 and 122,028,944.93

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Solution

The fourth proportional to 209,439,179.63, 314,053,662.23 and 122,028,944.93 is: 182,982,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,439,179.63 : 314,053,662.23 = 122,028,944.93 : x
  2. Step 2: Convert to fraction form
    209,439,179.63/314,053,662.23 = 122,028,944.93/x
  3. Step 3: Cross multiply
    209,439,179.63x = 314,053,662.23 × 122,028,944.93
  4. Step 4: Simplify right side
    209,439,179.63x = 38,323,637,052,719,352
  5. Step 5: Solve for x
    x = 38,323,637,052,719,352/209,439,179.63
  6. Step 6: Final answer
    x = 182,982,177.07

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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.