Home / 156,009,828.80-234,014,743.20-75,388,260.80

Finding the Fourth Proportional to 156,009,828.80, 234,014,743.20 and 75,388,260.80

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Solution

The fourth proportional to 156,009,828.80, 234,014,743.20 and 75,388,260.80 is: 113,082,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,009,828.80 : 234,014,743.20 = 75,388,260.80 : x
  2. Step 2: Convert to fraction form
    156,009,828.80/234,014,743.20 = 75,388,260.80/x
  3. Step 3: Cross multiply
    156,009,828.80x = 234,014,743.20 × 75,388,260.80
  4. Step 4: Simplify right side
    156,009,828.80x = 17,641,964,491,406,624
  5. Step 5: Solve for x
    x = 17,641,964,491,406,624/156,009,828.80
  6. Step 6: Final answer
    x = 113,082,391.20

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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.