Home / 213,284,042.43-319,938,021-59,918,141.58

Finding the Fourth Proportional to 213,284,042.43, 319,938,021 and 59,918,141.58

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Solution

The fourth proportional to 213,284,042.43, 319,938,021 and 59,918,141.58 is: 89,880,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,284,042.43 : 319,938,021 = 59,918,141.58 : x
  2. Step 2: Convert to fraction form
    213,284,042.43/319,938,021 = 59,918,141.58/x
  3. Step 3: Cross multiply
    213,284,042.43x = 319,938,021 × 59,918,141.58
  4. Step 4: Simplify right side
    213,284,042.43x = 19,170,091,639,103,012
  5. Step 5: Solve for x
    x = 19,170,091,639,103,012/213,284,042.43
  6. Step 6: Final answer
    x = 89,880,571.56

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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.