Home / 257,903,999.10-386,855,998.65-166,070,994.30

Finding the Fourth Proportional to 257,903,999.10, 386,855,998.65 and 166,070,994.30

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Solution

The fourth proportional to 257,903,999.10, 386,855,998.65 and 166,070,994.30 is: 249,106,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,903,999.10 : 386,855,998.65 = 166,070,994.30 : x
  2. Step 2: Convert to fraction form
    257,903,999.10/386,855,998.65 = 166,070,994.30/x
  3. Step 3: Cross multiply
    257,903,999.10x = 386,855,998.65 × 166,070,994.30
  4. Step 4: Simplify right side
    257,903,999.10x = 64,245,560,346,724,960
  5. Step 5: Solve for x
    x = 64,245,560,346,724,960/257,903,999.10
  6. Step 6: Final answer
    x = 249,106,491.45

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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.