Home / 193,541,358.40-290,312,037.60-178,088,891.20

Finding the Fourth Proportional to 193,541,358.40, 290,312,037.60 and 178,088,891.20

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Solution

The fourth proportional to 193,541,358.40, 290,312,037.60 and 178,088,891.20 is: 267,133,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,541,358.40 : 290,312,037.60 = 178,088,891.20 : x
  2. Step 2: Convert to fraction form
    193,541,358.40/290,312,037.60 = 178,088,891.20/x
  3. Step 3: Cross multiply
    193,541,358.40x = 290,312,037.60 × 178,088,891.20
  4. Step 4: Simplify right side
    193,541,358.40x = 51,701,348,878,196,712
  5. Step 5: Solve for x
    x = 51,701,348,878,196,712/193,541,358.40
  6. Step 6: Final answer
    x = 267,133,336.80

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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.