Home / 77,512,168.40-116,264,388.96-28,986,454.76

Finding the Fourth Proportional to 77,512,168.40, 116,264,388.96 and 28,986,454.76

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Solution

The fourth proportional to 77,512,168.40, 116,264,388.96 and 28,986,454.76 is: 43,478,237.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,512,168.40 : 116,264,388.96 = 28,986,454.76 : x
  2. Step 2: Convert to fraction form
    77,512,168.40/116,264,388.96 = 28,986,454.76/x
  3. Step 3: Cross multiply
    77,512,168.40x = 116,264,388.96 × 28,986,454.76
  4. Step 4: Simplify right side
    77,512,168.40x = 3,370,092,450,788,083.50
  5. Step 5: Solve for x
    x = 3,370,092,450,788,083.50/77,512,168.40
  6. Step 6: Final answer
    x = 43,478,237.29

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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.