Home / 118,892,828.20-178,171,280.70-87,945,903.40

Finding the Fourth Proportional to 118,892,828.20, 178,171,280.70 and 87,945,903.40

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Solution

The fourth proportional to 118,892,828.20, 178,171,280.70 and 87,945,903.40 is: 131,794,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,892,828.20 : 178,171,280.70 = 87,945,903.40 : x
  2. Step 2: Convert to fraction form
    118,892,828.20/178,171,280.70 = 87,945,903.40/x
  3. Step 3: Cross multiply
    118,892,828.20x = 178,171,280.70 × 87,945,903.40
  4. Step 4: Simplify right side
    118,892,828.20x = 15,669,434,241,096,484
  5. Step 5: Solve for x
    x = 15,669,434,241,096,484/118,892,828.20
  6. Step 6: Final answer
    x = 131,794,612.66

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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.