Home / 222,861,770.78-307,549,841.58-123,742,709.87

Finding the Fourth Proportional to 222,861,770.78, 307,549,841.58 and 123,742,709.87

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Solution

The fourth proportional to 222,861,770.78, 307,549,841.58 and 123,742,709.87 is: 170,765,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,861,770.78 : 307,549,841.58 = 123,742,709.87 : x
  2. Step 2: Convert to fraction form
    222,861,770.78/307,549,841.58 = 123,742,709.87/x
  3. Step 3: Cross multiply
    222,861,770.78x = 307,549,841.58 × 123,742,709.87
  4. Step 4: Simplify right side
    222,861,770.78x = 38,057,050,815,660,648
  5. Step 5: Solve for x
    x = 38,057,050,815,660,648/222,861,770.78
  6. Step 6: Final answer
    x = 170,765,271.60

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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.