Home / 300,406,281.18-414,555,181.05-166,443,708.81

Finding the Fourth Proportional to 300,406,281.18, 414,555,181.05 and 166,443,708.81

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Solution

The fourth proportional to 300,406,281.18, 414,555,181.05 and 166,443,708.81 is: 229,689,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,406,281.18 : 414,555,181.05 = 166,443,708.81 : x
  2. Step 2: Convert to fraction form
    300,406,281.18/414,555,181.05 = 166,443,708.81/x
  3. Step 3: Cross multiply
    300,406,281.18x = 414,555,181.05 × 166,443,708.81
  4. Step 4: Simplify right side
    300,406,281.18x = 69,000,101,840,363,032
  5. Step 5: Solve for x
    x = 69,000,101,840,363,032/300,406,281.18
  6. Step 6: Final answer
    x = 229,689,278.03

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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.