Home / 180,455,816.70-249,022,583.70-102,137,688.72

Finding the Fourth Proportional to 180,455,816.70, 249,022,583.70 and 102,137,688.72

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Solution

The fourth proportional to 180,455,816.70, 249,022,583.70 and 102,137,688.72 is: 140,946,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,816.70 : 249,022,583.70 = 102,137,688.72 : x
  2. Step 2: Convert to fraction form
    180,455,816.70/249,022,583.70 = 102,137,688.72/x
  3. Step 3: Cross multiply
    180,455,816.70x = 249,022,583.70 × 102,137,688.72
  4. Step 4: Simplify right side
    180,455,816.70x = 25,434,591,138,200,744
  5. Step 5: Solve for x
    x = 25,434,591,138,200,744/180,455,816.70
  6. Step 6: Final answer
    x = 140,946,363.51

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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.