Home / 118,308,422.97-163,262,615.85-66,097,850.74

Finding the Fourth Proportional to 118,308,422.97, 163,262,615.85 and 66,097,850.74

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Solution

The fourth proportional to 118,308,422.97, 163,262,615.85 and 66,097,850.74 is: 91,213,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308,422.97 : 163,262,615.85 = 66,097,850.74 : x
  2. Step 2: Convert to fraction form
    118,308,422.97/163,262,615.85 = 66,097,850.74/x
  3. Step 3: Cross multiply
    118,308,422.97x = 163,262,615.85 × 66,097,850.74
  4. Step 4: Simplify right side
    118,308,422.97x = 10,791,308,013,875,258
  5. Step 5: Solve for x
    x = 10,791,308,013,875,258/118,308,422.97
  6. Step 6: Final answer
    x = 91,213,353.56

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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.