Home / 303,433,894.23-455,099,504.95-85,033,971.28

Finding the Fourth Proportional to 303,433,894.23, 455,099,504.95 and 85,033,971.28

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Solution

The fourth proportional to 303,433,894.23, 455,099,504.95 and 85,033,971.28 is: 127,536,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,433,894.23 : 455,099,504.95 = 85,033,971.28 : x
  2. Step 2: Convert to fraction form
    303,433,894.23/455,099,504.95 = 85,033,971.28/x
  3. Step 3: Cross multiply
    303,433,894.23x = 455,099,504.95 × 85,033,971.28
  4. Step 4: Simplify right side
    303,433,894.23x = 38,698,918,233,460,520
  5. Step 5: Solve for x
    x = 38,698,918,233,460,520/303,433,894.23
  6. Step 6: Final answer
    x = 127,536,570.47

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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.