Home / 118,766,005.40-178,149,008.10-104,405,288.60

Finding the Fourth Proportional to 118,766,005.40, 178,149,008.10 and 104,405,288.60

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Solution

The fourth proportional to 118,766,005.40, 178,149,008.10 and 104,405,288.60 is: 156,607,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,766,005.40 : 178,149,008.10 = 104,405,288.60 : x
  2. Step 2: Convert to fraction form
    118,766,005.40/178,149,008.10 = 104,405,288.60/x
  3. Step 3: Cross multiply
    118,766,005.40x = 178,149,008.10 × 104,405,288.60
  4. Step 4: Simplify right side
    118,766,005.40x = 18,599,698,604,484,236
  5. Step 5: Solve for x
    x = 18,599,698,604,484,236/118,766,005.40
  6. Step 6: Final answer
    x = 156,607,932.90

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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.