Home / 214,798,189.20-322,243,939.80-78,483,354

Finding the Fourth Proportional to 214,798,189.20, 322,243,939.80 and 78,483,354

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Solution

The fourth proportional to 214,798,189.20, 322,243,939.80 and 78,483,354 is: 117,742,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,798,189.20 : 322,243,939.80 = 78,483,354 : x
  2. Step 2: Convert to fraction form
    214,798,189.20/322,243,939.80 = 78,483,354/x
  3. Step 3: Cross multiply
    214,798,189.20x = 322,243,939.80 × 78,483,354
  4. Step 4: Simplify right side
    214,798,189.20x = 25,290,785,201,678,092
  5. Step 5: Solve for x
    x = 25,290,785,201,678,092/214,798,189.20
  6. Step 6: Final answer
    x = 117,742,078.25

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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.