Home / 123,489,267.19-170,615,357.04-105,098,751.39

Finding the Fourth Proportional to 123,489,267.19, 170,615,357.04 and 105,098,751.39

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Solution

The fourth proportional to 123,489,267.19, 170,615,357.04 and 105,098,751.39 is: 145,206,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,489,267.19 : 170,615,357.04 = 105,098,751.39 : x
  2. Step 2: Convert to fraction form
    123,489,267.19/170,615,357.04 = 105,098,751.39/x
  3. Step 3: Cross multiply
    123,489,267.19x = 170,615,357.04 × 105,098,751.39
  4. Step 4: Simplify right side
    123,489,267.19x = 17,931,460,992,863,046
  5. Step 5: Solve for x
    x = 17,931,460,992,863,046/123,489,267.19
  6. Step 6: Final answer
    x = 145,206,635.37

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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.