Home / 257,905,200.60-386,857,800.90-166,072,195.80

Finding the Fourth Proportional to 257,905,200.60, 386,857,800.90 and 166,072,195.80

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Solution

The fourth proportional to 257,905,200.60, 386,857,800.90 and 166,072,195.80 is: 249,108,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,905,200.60 : 386,857,800.90 = 166,072,195.80 : x
  2. Step 2: Convert to fraction form
    257,905,200.60/386,857,800.90 = 166,072,195.80/x
  3. Step 3: Cross multiply
    257,905,200.60x = 386,857,800.90 × 166,072,195.80
  4. Step 4: Simplify right side
    257,905,200.60x = 64,246,324,457,822,216
  5. Step 5: Solve for x
    x = 64,246,324,457,822,216/257,905,200.60
  6. Step 6: Final answer
    x = 249,108,293.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.