Home / 68,471,211.33-102,706,810.76-30,132,725.43

Finding the Fourth Proportional to 68,471,211.33, 102,706,810.76 and 30,132,725.43

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Solution

The fourth proportional to 68,471,211.33, 102,706,810.76 and 30,132,725.43 is: 45,199,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,471,211.33 : 102,706,810.76 = 30,132,725.43 : x
  2. Step 2: Convert to fraction form
    68,471,211.33/102,706,810.76 = 30,132,725.43/x
  3. Step 3: Cross multiply
    68,471,211.33x = 102,706,810.76 × 30,132,725.43
  4. Step 4: Simplify right side
    68,471,211.33x = 3,094,836,128,271,386
  5. Step 5: Solve for x
    x = 3,094,836,128,271,386/68,471,211.33
  6. Step 6: Final answer
    x = 45,199,085.40

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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.