Home / 303,433,894.73-455,099,505.71-85,033,971.78

Finding the Fourth Proportional to 303,433,894.73, 455,099,505.71 and 85,033,971.78

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Solution

The fourth proportional to 303,433,894.73, 455,099,505.71 and 85,033,971.78 is: 127,536,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,433,894.73 : 455,099,505.71 = 85,033,971.78 : x
  2. Step 2: Convert to fraction form
    303,433,894.73/455,099,505.71 = 85,033,971.78/x
  3. Step 3: Cross multiply
    303,433,894.73x = 455,099,505.71 × 85,033,971.78
  4. Step 4: Simplify right side
    303,433,894.73x = 38,698,918,525,210,920
  5. Step 5: Solve for x
    x = 38,698,918,525,210,920/303,433,894.73
  6. Step 6: Final answer
    x = 127,536,571.22

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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.