Home / 123,460,542.40-170,359,888.80-67,691,287.04

Finding the Fourth Proportional to 123,460,542.40, 170,359,888.80 and 67,691,287.04

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Solution

The fourth proportional to 123,460,542.40, 170,359,888.80 and 67,691,287.04 is: 93,405,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,460,542.40 : 170,359,888.80 = 67,691,287.04 : x
  2. Step 2: Convert to fraction form
    123,460,542.40/170,359,888.80 = 67,691,287.04/x
  3. Step 3: Cross multiply
    123,460,542.40x = 170,359,888.80 × 67,691,287.04
  4. Step 4: Simplify right side
    123,460,542.40x = 11,531,880,132,863,284
  5. Step 5: Solve for x
    x = 11,531,880,132,863,284/123,460,542.40
  6. Step 6: Final answer
    x = 93,405,390.17

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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.