Home / 180,576,969.88-249,211,587-102,274,453.12

Finding the Fourth Proportional to 180,576,969.88, 249,211,587 and 102,274,453.12

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Solution

The fourth proportional to 180,576,969.88, 249,211,587 and 102,274,453.12 is: 141,147,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,576,969.88 : 249,211,587 = 102,274,453.12 : x
  2. Step 2: Convert to fraction form
    180,576,969.88/249,211,587 = 102,274,453.12/x
  3. Step 3: Cross multiply
    180,576,969.88x = 249,211,587 × 102,274,453.12
  4. Step 4: Simplify right side
    180,576,969.88x = 25,487,978,771,592,304
  5. Step 5: Solve for x
    x = 25,487,978,771,592,304/180,576,969.88
  6. Step 6: Final answer
    x = 141,147,449.69

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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.