Home / 132,663,085.20-198,994,627.80-40,546,645.20

Finding the Fourth Proportional to 132,663,085.20, 198,994,627.80 and 40,546,645.20

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Solution

The fourth proportional to 132,663,085.20, 198,994,627.80 and 40,546,645.20 is: 60,819,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,663,085.20 : 198,994,627.80 = 40,546,645.20 : x
  2. Step 2: Convert to fraction form
    132,663,085.20/198,994,627.80 = 40,546,645.20/x
  3. Step 3: Cross multiply
    132,663,085.20x = 198,994,627.80 × 40,546,645.20
  4. Step 4: Simplify right side
    132,663,085.20x = 8,068,564,570,112,658
  5. Step 5: Solve for x
    x = 8,068,564,570,112,658/132,663,085.20
  6. Step 6: Final answer
    x = 60,819,967.80

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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.