Home / 213,049,507.38-294,008,383.17-120,249,673.62

Finding the Fourth Proportional to 213,049,507.38, 294,008,383.17 and 120,249,673.62

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Solution

The fourth proportional to 213,049,507.38, 294,008,383.17 and 120,249,673.62 is: 165,944,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,049,507.38 : 294,008,383.17 = 120,249,673.62 : x
  2. Step 2: Convert to fraction form
    213,049,507.38/294,008,383.17 = 120,249,673.62/x
  3. Step 3: Cross multiply
    213,049,507.38x = 294,008,383.17 × 120,249,673.62
  4. Step 4: Simplify right side
    213,049,507.38x = 35,354,412,117,736,404
  5. Step 5: Solve for x
    x = 35,354,412,117,736,404/213,049,507.38
  6. Step 6: Final answer
    x = 165,944,585.15

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1.5x scale

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.