Home / 118,867,615.20-178,301,422.80-108,286,034.40

Finding the Fourth Proportional to 118,867,615.20, 178,301,422.80 and 108,286,034.40

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Solution

The fourth proportional to 118,867,615.20, 178,301,422.80 and 108,286,034.40 is: 162,429,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,867,615.20 : 178,301,422.80 = 108,286,034.40 : x
  2. Step 2: Convert to fraction form
    118,867,615.20/178,301,422.80 = 108,286,034.40/x
  3. Step 3: Cross multiply
    118,867,615.20x = 178,301,422.80 × 108,286,034.40
  4. Step 4: Simplify right side
    118,867,615.20x = 19,307,554,002,889,748
  5. Step 5: Solve for x
    x = 19,307,554,002,889,748/118,867,615.20
  6. Step 6: Final answer
    x = 162,429,051.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.