Home / 171,936,785.60-257,905,178.40-149,541,905.60

Finding the Fourth Proportional to 171,936,785.60, 257,905,178.40 and 149,541,905.60

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Solution

The fourth proportional to 171,936,785.60, 257,905,178.40 and 149,541,905.60 is: 224,312,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,936,785.60 : 257,905,178.40 = 149,541,905.60 : x
  2. Step 2: Convert to fraction form
    171,936,785.60/257,905,178.40 = 149,541,905.60/x
  3. Step 3: Cross multiply
    171,936,785.60x = 257,905,178.40 × 149,541,905.60
  4. Step 4: Simplify right side
    171,936,785.60x = 38,567,631,842,043,960
  5. Step 5: Solve for x
    x = 38,567,631,842,043,960/171,936,785.60
  6. Step 6: Final answer
    x = 224,312,858.40

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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.