Home / 118,308,422.96-163,262,615.86-66,097,850.74

Finding the Fourth Proportional to 118,308,422.96, 163,262,615.86 and 66,097,850.74

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Solution

The fourth proportional to 118,308,422.96, 163,262,615.86 and 66,097,850.74 is: 91,213,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308,422.96 : 163,262,615.86 = 66,097,850.74 : x
  2. Step 2: Convert to fraction form
    118,308,422.96/163,262,615.86 = 66,097,850.74/x
  3. Step 3: Cross multiply
    118,308,422.96x = 163,262,615.86 × 66,097,850.74
  4. Step 4: Simplify right side
    118,308,422.96x = 10,791,308,014,210,702
  5. Step 5: Solve for x
    x = 10,791,308,014,210,702/118,308,422.96
  6. Step 6: Final answer
    x = 91,213,353.57

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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.