Home / 145,166,492.40-217,749,738.60-132,625,359.60

Finding the Fourth Proportional to 145,166,492.40, 217,749,738.60 and 132,625,359.60

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Solution

The fourth proportional to 145,166,492.40, 217,749,738.60 and 132,625,359.60 is: 198,938,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,166,492.40 : 217,749,738.60 = 132,625,359.60 : x
  2. Step 2: Convert to fraction form
    145,166,492.40/217,749,738.60 = 132,625,359.60/x
  3. Step 3: Cross multiply
    145,166,492.40x = 217,749,738.60 × 132,625,359.60
  4. Step 4: Simplify right side
    145,166,492.40x = 28,879,137,384,631,000
  5. Step 5: Solve for x
    x = 28,879,137,384,631,000/145,166,492.40
  6. Step 6: Final answer
    x = 198,938,039.40

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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.