Home / 118,867,616.20-178,301,424.30-108,286,035.40

Finding the Fourth Proportional to 118,867,616.20, 178,301,424.30 and 108,286,035.40

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Solution

The fourth proportional to 118,867,616.20, 178,301,424.30 and 108,286,035.40 is: 162,429,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,867,616.20 : 178,301,424.30 = 108,286,035.40 : x
  2. Step 2: Convert to fraction form
    118,867,616.20/178,301,424.30 = 108,286,035.40/x
  3. Step 3: Cross multiply
    118,867,616.20x = 178,301,424.30 × 108,286,035.40
  4. Step 4: Simplify right side
    118,867,616.20x = 19,307,554,343,620,224
  5. Step 5: Solve for x
    x = 19,307,554,343,620,224/118,867,616.20
  6. Step 6: Final answer
    x = 162,429,053.10

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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.