Home / 218,502,739.91-301,530,214.28-119,381,354.10

Finding the Fourth Proportional to 218,502,739.91, 301,530,214.28 and 119,381,354.10

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Solution

The fourth proportional to 218,502,739.91, 301,530,214.28 and 119,381,354.10 is: 164,744,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,502,739.91 : 301,530,214.28 = 119,381,354.10 : x
  2. Step 2: Convert to fraction form
    218,502,739.91/301,530,214.28 = 119,381,354.10/x
  3. Step 3: Cross multiply
    218,502,739.91x = 301,530,214.28 × 119,381,354.10
  4. Step 4: Simplify right side
    218,502,739.91x = 35,997,085,282,212,644
  5. Step 5: Solve for x
    x = 35,997,085,282,212,644/218,502,739.91
  6. Step 6: Final answer
    x = 164,744,319.90

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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.