Home / 83,457,655.72-125,098,128.66-28,072,765.24

Finding the Fourth Proportional to 83,457,655.72, 125,098,128.66 and 28,072,765.24

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Solution

The fourth proportional to 83,457,655.72, 125,098,128.66 and 28,072,765.24 is: 42,079,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,457,655.72 : 125,098,128.66 = 28,072,765.24 : x
  2. Step 2: Convert to fraction form
    83,457,655.72/125,098,128.66 = 28,072,765.24/x
  3. Step 3: Cross multiply
    83,457,655.72x = 125,098,128.66 × 28,072,765.24
  4. Step 4: Simplify right side
    83,457,655.72x = 3,511,850,397,835,495.50
  5. Step 5: Solve for x
    x = 3,511,850,397,835,495.50/83,457,655.72
  6. Step 6: Final answer
    x = 42,079,427.80

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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.