Home / 303,433,893.23-455,099,503.46-85,033,970.28

Finding the Fourth Proportional to 303,433,893.23, 455,099,503.46 and 85,033,970.28

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Solution

The fourth proportional to 303,433,893.23, 455,099,503.46 and 85,033,970.28 is: 127,536,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,433,893.23 : 455,099,503.46 = 85,033,970.28 : x
  2. Step 2: Convert to fraction form
    303,433,893.23/455,099,503.46 = 85,033,970.28/x
  3. Step 3: Cross multiply
    303,433,893.23x = 455,099,503.46 × 85,033,970.28
  4. Step 4: Simplify right side
    303,433,893.23x = 38,698,917,651,235,224
  5. Step 5: Solve for x
    x = 38,698,917,651,235,224/303,433,893.23
  6. Step 6: Final answer
    x = 127,536,568.97

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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.