Home / 78,300,031.20-117,492,037.20-32,866,418.40

Finding the Fourth Proportional to 78,300,031.20, 117,492,037.20 and 32,866,418.40

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Solution

The fourth proportional to 78,300,031.20, 117,492,037.20 and 32,866,418.40 is: 49,317,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,300,031.20 : 117,492,037.20 = 32,866,418.40 : x
  2. Step 2: Convert to fraction form
    78,300,031.20/117,492,037.20 = 32,866,418.40/x
  3. Step 3: Cross multiply
    78,300,031.20x = 117,492,037.20 × 32,866,418.40
  4. Step 4: Simplify right side
    78,300,031.20x = 3,861,542,453,283,564.50
  5. Step 5: Solve for x
    x = 3,861,542,453,283,564.50/78,300,031.20
  6. Step 6: Final answer
    x = 49,317,253.06

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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.