Home / 155,543,244.36-233,151,891.78-72,476,512.62

Finding the Fourth Proportional to 155,543,244.36, 233,151,891.78 and 72,476,512.62

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Solution

The fourth proportional to 155,543,244.36, 233,151,891.78 and 72,476,512.62 is: 108,638,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,543,244.36 : 233,151,891.78 = 72,476,512.62 : x
  2. Step 2: Convert to fraction form
    155,543,244.36/233,151,891.78 = 72,476,512.62/x
  3. Step 3: Cross multiply
    155,543,244.36x = 233,151,891.78 × 72,476,512.62
  4. Step 4: Simplify right side
    155,543,244.36x = 16,898,036,026,970,046
  5. Step 5: Solve for x
    x = 16,898,036,026,970,046/155,543,244.36
  6. Step 6: Final answer
    x = 108,638,829.65

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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.