Home / 188,213,875.20-282,421,123.20-73,202,169.60

Finding the Fourth Proportional to 188,213,875.20, 282,421,123.20 and 73,202,169.60

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Solution

The fourth proportional to 188,213,875.20, 282,421,123.20 and 73,202,169.60 is: 109,842,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,213,875.20 : 282,421,123.20 = 73,202,169.60 : x
  2. Step 2: Convert to fraction form
    188,213,875.20/282,421,123.20 = 73,202,169.60/x
  3. Step 3: Cross multiply
    188,213,875.20x = 282,421,123.20 × 73,202,169.60
  4. Step 4: Simplify right side
    188,213,875.20x = 20,673,838,959,108,892
  5. Step 5: Solve for x
    x = 20,673,838,959,108,892/188,213,875.20
  6. Step 6: Final answer
    x = 109,842,268.20

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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.