Home / 89,048,217.40-133,572,326.10-80,120,008.60

Finding the Fourth Proportional to 89,048,217.40, 133,572,326.10 and 80,120,008.60

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Solution

The fourth proportional to 89,048,217.40, 133,572,326.10 and 80,120,008.60 is: 120,180,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048,217.40 : 133,572,326.10 = 80,120,008.60 : x
  2. Step 2: Convert to fraction form
    89,048,217.40/133,572,326.10 = 80,120,008.60/x
  3. Step 3: Cross multiply
    89,048,217.40x = 133,572,326.10 × 80,120,008.60
  4. Step 4: Simplify right side
    89,048,217.40x = 10,701,815,915,854,004
  5. Step 5: Solve for x
    x = 10,701,815,915,854,004/89,048,217.40
  6. Step 6: Final answer
    x = 120,180,012.90

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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.