Home / 84,613,749.16-116,723,990.64-55,262,274.88

Finding the Fourth Proportional to 84,613,749.16, 116,723,990.64 and 55,262,274.88

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Solution

The fourth proportional to 84,613,749.16, 116,723,990.64 and 55,262,274.88 is: 76,233,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,613,749.16 : 116,723,990.64 = 55,262,274.88 : x
  2. Step 2: Convert to fraction form
    84,613,749.16/116,723,990.64 = 55,262,274.88/x
  3. Step 3: Cross multiply
    84,613,749.16x = 116,723,990.64 × 55,262,274.88
  4. Step 4: Simplify right side
    84,613,749.16x = 6,450,433,255,838,227
  5. Step 5: Solve for x
    x = 6,450,433,255,838,227/84,613,749.16
  6. Step 6: Final answer
    x = 76,233,866.48

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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.