Home / 140,242,764.52-210,354,169.73-43,188,351.90

Finding the Fourth Proportional to 140,242,764.52, 210,354,169.73 and 43,188,351.90

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Solution

The fourth proportional to 140,242,764.52, 210,354,169.73 and 43,188,351.90 is: 64,779,455.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,242,764.52 : 210,354,169.73 = 43,188,351.90 : x
  2. Step 2: Convert to fraction form
    140,242,764.52/210,354,169.73 = 43,188,351.90/x
  3. Step 3: Cross multiply
    140,242,764.52x = 210,354,169.73 × 43,188,351.90
  4. Step 4: Simplify right side
    140,242,764.52x = 9,084,849,904,926,798
  5. Step 5: Solve for x
    x = 9,084,849,904,926,798/140,242,764.52
  6. Step 6: Final answer
    x = 64,779,455.37

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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.