Home / 386,693,792.31-580,035,009.15-95,560,907.25

Finding the Fourth Proportional to 386,693,792.31, 580,035,009.15 and 95,560,907.25

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Solution

The fourth proportional to 386,693,792.31, 580,035,009.15 and 95,560,907.25 is: 143,339,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,693,792.31 : 580,035,009.15 = 95,560,907.25 : x
  2. Step 2: Convert to fraction form
    386,693,792.31/580,035,009.15 = 95,560,907.25/x
  3. Step 3: Cross multiply
    386,693,792.31x = 580,035,009.15 × 95,560,907.25
  4. Step 4: Simplify right side
    386,693,792.31x = 55,428,671,711,136,048
  5. Step 5: Solve for x
    x = 55,428,671,711,136,048/386,693,792.31
  6. Step 6: Final answer
    x = 143,339,957.39

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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.