Home / 104,556,739.40-156,835,109.10-99,853,814.60

Finding the Fourth Proportional to 104,556,739.40, 156,835,109.10 and 99,853,814.60

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Solution

The fourth proportional to 104,556,739.40, 156,835,109.10 and 99,853,814.60 is: 149,780,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556,739.40 : 156,835,109.10 = 99,853,814.60 : x
  2. Step 2: Convert to fraction form
    104,556,739.40/156,835,109.10 = 99,853,814.60/x
  3. Step 3: Cross multiply
    104,556,739.40x = 156,835,109.10 × 99,853,814.60
  4. Step 4: Simplify right side
    104,556,739.40x = 15,660,583,906,842,172
  5. Step 5: Solve for x
    x = 15,660,583,906,842,172/104,556,739.40
  6. Step 6: Final answer
    x = 149,780,721.90

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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.