Home / 180,455,711.97-249,022,439.22-102,137,583.96

Finding the Fourth Proportional to 180,455,711.97, 249,022,439.22 and 102,137,583.96

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Solution

The fourth proportional to 180,455,711.97, 249,022,439.22 and 102,137,583.96 is: 140,946,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,711.97 : 249,022,439.22 = 102,137,583.96 : x
  2. Step 2: Convert to fraction form
    180,455,711.97/249,022,439.22 = 102,137,583.96/x
  3. Step 3: Cross multiply
    180,455,711.97x = 249,022,439.22 × 102,137,583.96
  4. Step 4: Simplify right side
    180,455,711.97x = 25,434,550,293,756,744
  5. Step 5: Solve for x
    x = 25,434,550,293,756,744/180,455,711.97
  6. Step 6: Final answer
    x = 140,946,218.97

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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.