Home / 85,357,304.51-117,780,542.71-47,675,825.33

Finding the Fourth Proportional to 85,357,304.51, 117,780,542.71 and 47,675,825.33

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Solution

The fourth proportional to 85,357,304.51, 117,780,542.71 and 47,675,825.33 is: 65,785,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,357,304.51 : 117,780,542.71 = 47,675,825.33 : x
  2. Step 2: Convert to fraction form
    85,357,304.51/117,780,542.71 = 47,675,825.33/x
  3. Step 3: Cross multiply
    85,357,304.51x = 117,780,542.71 × 47,675,825.33
  4. Step 4: Simplify right side
    85,357,304.51x = 5,615,284,580,806,473
  5. Step 5: Solve for x
    x = 5,615,284,580,806,473/85,357,304.51
  6. Step 6: Final answer
    x = 65,785,636.20

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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.