Home / 81,082,615.16-121,639,570.76-26,480,521.58

Finding the Fourth Proportional to 81,082,615.16, 121,639,570.76 and 26,480,521.58

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Solution

The fourth proportional to 81,082,615.16, 121,639,570.76 and 26,480,521.58 is: 39,725,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,615.16 : 121,639,570.76 = 26,480,521.58 : x
  2. Step 2: Convert to fraction form
    81,082,615.16/121,639,570.76 = 26,480,521.58/x
  3. Step 3: Cross multiply
    81,082,615.16x = 121,639,570.76 × 26,480,521.58
  4. Step 4: Simplify right side
    81,082,615.16x = 3,221,079,277,751,516.50
  5. Step 5: Solve for x
    x = 3,221,079,277,751,516.50/81,082,615.16
  6. Step 6: Final answer
    x = 39,725,892.80

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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.