Home / 153,468,287.20-230,202,430.80-133,760,792.80

Finding the Fourth Proportional to 153,468,287.20, 230,202,430.80 and 133,760,792.80

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Solution

The fourth proportional to 153,468,287.20, 230,202,430.80 and 133,760,792.80 is: 200,641,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,468,287.20 : 230,202,430.80 = 133,760,792.80 : x
  2. Step 2: Convert to fraction form
    153,468,287.20/230,202,430.80 = 133,760,792.80/x
  3. Step 3: Cross multiply
    153,468,287.20x = 230,202,430.80 × 133,760,792.80
  4. Step 4: Simplify right side
    153,468,287.20x = 30,792,059,648,295,140
  5. Step 5: Solve for x
    x = 30,792,059,648,295,140/153,468,287.20
  6. Step 6: Final answer
    x = 200,641,189.20

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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.