Home / 132,880,307.20-199,320,460.80-72,414,131.20

Finding the Fourth Proportional to 132,880,307.20, 199,320,460.80 and 72,414,131.20

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Solution

The fourth proportional to 132,880,307.20, 199,320,460.80 and 72,414,131.20 is: 108,621,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880,307.20 : 199,320,460.80 = 72,414,131.20 : x
  2. Step 2: Convert to fraction form
    132,880,307.20/199,320,460.80 = 72,414,131.20/x
  3. Step 3: Cross multiply
    132,880,307.20x = 199,320,460.80 × 72,414,131.20
  4. Step 4: Simplify right side
    132,880,307.20x = 14,433,617,999,215,658
  5. Step 5: Solve for x
    x = 14,433,617,999,215,658/132,880,307.20
  6. Step 6: Final answer
    x = 108,621,196.80

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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.