Home / 306,130,129.92-459,060,091.20-87,730,905.60

Finding the Fourth Proportional to 306,130,129.92, 459,060,091.20 and 87,730,905.60

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Solution

The fourth proportional to 306,130,129.92, 459,060,091.20 and 87,730,905.60 is: 131,557,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,130,129.92 : 459,060,091.20 = 87,730,905.60 : x
  2. Step 2: Convert to fraction form
    306,130,129.92/459,060,091.20 = 87,730,905.60/x
  3. Step 3: Cross multiply
    306,130,129.92x = 459,060,091.20 × 87,730,905.60
  4. Step 4: Simplify right side
    306,130,129.92x = 40,273,757,525,794,584
  5. Step 5: Solve for x
    x = 40,273,757,525,794,584/306,130,129.92
  6. Step 6: Final answer
    x = 131,557,640.33

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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.