Home / 180,455,711.47-249,022,438.53-102,137,583.46

Finding the Fourth Proportional to 180,455,711.47, 249,022,438.53 and 102,137,583.46

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Solution

The fourth proportional to 180,455,711.47, 249,022,438.53 and 102,137,583.46 is: 140,946,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,711.47 : 249,022,438.53 = 102,137,583.46 : x
  2. Step 2: Convert to fraction form
    180,455,711.47/249,022,438.53 = 102,137,583.46/x
  3. Step 3: Cross multiply
    180,455,711.47x = 249,022,438.53 × 102,137,583.46
  4. Step 4: Simplify right side
    180,455,711.47x = 25,434,550,098,770,592
  5. Step 5: Solve for x
    x = 25,434,550,098,770,592/180,455,711.47
  6. Step 6: Final answer
    x = 140,946,218.28

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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.