Home / 213,049,434.88-294,008,283.30-120,249,601.12

Finding the Fourth Proportional to 213,049,434.88, 294,008,283.30 and 120,249,601.12

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Solution

The fourth proportional to 213,049,434.88, 294,008,283.30 and 120,249,601.12 is: 165,944,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,049,434.88 : 294,008,283.30 = 120,249,601.12 : x
  2. Step 2: Convert to fraction form
    213,049,434.88/294,008,283.30 = 120,249,601.12/x
  3. Step 3: Cross multiply
    213,049,434.88x = 294,008,283.30 × 120,249,601.12
  4. Step 4: Simplify right side
    213,049,434.88x = 35,354,378,792,800,960
  5. Step 5: Solve for x
    x = 35,354,378,792,800,960/213,049,434.88
  6. Step 6: Final answer
    x = 165,944,485.20

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Double scale
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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.