Home / 85,217,663.43-117,600,425.88-47,540,827.51

Finding the Fourth Proportional to 85,217,663.43, 117,600,425.88 and 47,540,827.51

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Solution

The fourth proportional to 85,217,663.43, 117,600,425.88 and 47,540,827.51 is: 65,606,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217,663.43 : 117,600,425.88 = 47,540,827.51 : x
  2. Step 2: Convert to fraction form
    85,217,663.43/117,600,425.88 = 47,540,827.51/x
  3. Step 3: Cross multiply
    85,217,663.43x = 117,600,425.88 × 47,540,827.51
  4. Step 4: Simplify right side
    85,217,663.43x = 5,590,821,561,438,020
  5. Step 5: Solve for x
    x = 5,590,821,561,438,020/85,217,663.43
  6. Step 6: Final answer
    x = 65,606,370.05

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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.