Home / 257,905,250.10-386,857,875.15-166,072,245.30

Finding the Fourth Proportional to 257,905,250.10, 386,857,875.15 and 166,072,245.30

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Solution

The fourth proportional to 257,905,250.10, 386,857,875.15 and 166,072,245.30 is: 249,108,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,905,250.10 : 386,857,875.15 = 166,072,245.30 : x
  2. Step 2: Convert to fraction form
    257,905,250.10/386,857,875.15 = 166,072,245.30/x
  3. Step 3: Cross multiply
    257,905,250.10x = 386,857,875.15 × 166,072,245.30
  4. Step 4: Simplify right side
    257,905,250.10x = 64,246,355,938,147,576
  5. Step 5: Solve for x
    x = 64,246,355,938,147,576/257,905,250.10
  6. Step 6: Final answer
    x = 249,108,367.95

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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.