Home / 136,512,137.70-204,768,206.55-88,139,196.90

Finding the Fourth Proportional to 136,512,137.70, 204,768,206.55 and 88,139,196.90

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Solution

The fourth proportional to 136,512,137.70, 204,768,206.55 and 88,139,196.90 is: 132,208,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,512,137.70 : 204,768,206.55 = 88,139,196.90 : x
  2. Step 2: Convert to fraction form
    136,512,137.70/204,768,206.55 = 88,139,196.90/x
  3. Step 3: Cross multiply
    136,512,137.70x = 204,768,206.55 × 88,139,196.90
  4. Step 4: Simplify right side
    136,512,137.70x = 18,048,105,275,970,320
  5. Step 5: Solve for x
    x = 18,048,105,275,970,320/136,512,137.70
  6. Step 6: Final answer
    x = 132,208,795.35

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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.