Home / 205,215,366.29-283,197,358.93-111,129,616.37

Finding the Fourth Proportional to 205,215,366.29, 283,197,358.93 and 111,129,616.37

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Solution

The fourth proportional to 205,215,366.29, 283,197,358.93 and 111,129,616.37 is: 153,358,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,215,366.29 : 283,197,358.93 = 111,129,616.37 : x
  2. Step 2: Convert to fraction form
    205,215,366.29/283,197,358.93 = 111,129,616.37/x
  3. Step 3: Cross multiply
    205,215,366.29x = 283,197,358.93 × 111,129,616.37
  4. Step 4: Simplify right side
    205,215,366.29x = 31,471,613,854,178,236
  5. Step 5: Solve for x
    x = 31,471,613,854,178,236/205,215,366.29
  6. Step 6: Final answer
    x = 153,358,953.69

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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.