Home / 180,577,172.78-249,211,867.41-102,274,655.84

Finding the Fourth Proportional to 180,577,172.78, 249,211,867.41 and 102,274,655.84

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Solution

The fourth proportional to 180,577,172.78, 249,211,867.41 and 102,274,655.84 is: 141,147,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,577,172.78 : 249,211,867.41 = 102,274,655.84 : x
  2. Step 2: Convert to fraction form
    180,577,172.78/249,211,867.41 = 102,274,655.84/x
  3. Step 3: Cross multiply
    180,577,172.78x = 249,211,867.41 × 102,274,655.84
  4. Step 4: Simplify right side
    180,577,172.78x = 25,488,057,969,355,400
  5. Step 5: Solve for x
    x = 25,488,057,969,355,400/180,577,172.78
  6. Step 6: Final answer
    x = 141,147,729.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.