Home / 223,633,571.90-308,610,644.15-130,829,801.54

Finding the Fourth Proportional to 223,633,571.90, 308,610,644.15 and 130,829,801.54

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Solution

The fourth proportional to 223,633,571.90, 308,610,644.15 and 130,829,801.54 is: 180,542,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,633,571.90 : 308,610,644.15 = 130,829,801.54 : x
  2. Step 2: Convert to fraction form
    223,633,571.90/308,610,644.15 = 130,829,801.54/x
  3. Step 3: Cross multiply
    223,633,571.90x = 308,610,644.15 × 130,829,801.54
  4. Step 4: Simplify right side
    223,633,571.90x = 40,375,469,326,060,080
  5. Step 5: Solve for x
    x = 40,375,469,326,060,080/223,633,571.90
  6. Step 6: Final answer
    x = 180,542,970.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.