Home / 222,742,666.20-307,380,255.66-123,617,656.65

Finding the Fourth Proportional to 222,742,666.20, 307,380,255.66 and 123,617,656.65

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Solution

The fourth proportional to 222,742,666.20, 307,380,255.66 and 123,617,656.65 is: 170,589,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,742,666.20 : 307,380,255.66 = 123,617,656.65 : x
  2. Step 2: Convert to fraction form
    222,742,666.20/307,380,255.66 = 123,617,656.65/x
  3. Step 3: Cross multiply
    222,742,666.20x = 307,380,255.66 × 123,617,656.65
  4. Step 4: Simplify right side
    222,742,666.20x = 37,997,626,905,167,104
  5. Step 5: Solve for x
    x = 37,997,626,905,167,104/222,742,666.20
  6. Step 6: Final answer
    x = 170,589,800.12

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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.