Home / 103,680,725.20-155,446,438.20-58,256,443.60

Finding the Fourth Proportional to 103,680,725.20, 155,446,438.20 and 58,256,443.60

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Solution

The fourth proportional to 103,680,725.20, 155,446,438.20 and 58,256,443.60 is: 87,342,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680,725.20 : 155,446,438.20 = 58,256,443.60 : x
  2. Step 2: Convert to fraction form
    103,680,725.20/155,446,438.20 = 58,256,443.60/x
  3. Step 3: Cross multiply
    103,680,725.20x = 155,446,438.20 × 58,256,443.60
  4. Step 4: Simplify right side
    103,680,725.20x = 9,055,756,659,819,186
  5. Step 5: Solve for x
    x = 9,055,756,659,819,186/103,680,725.20
  6. Step 6: Final answer
    x = 87,342,721.05

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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.