Home / 83,457,631.89-125,098,092.54-28,072,741.68

Finding the Fourth Proportional to 83,457,631.89, 125,098,092.54 and 28,072,741.68

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Solution

The fourth proportional to 83,457,631.89, 125,098,092.54 and 28,072,741.68 is: 42,079,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,457,631.89 : 125,098,092.54 = 28,072,741.68 : x
  2. Step 2: Convert to fraction form
    83,457,631.89/125,098,092.54 = 28,072,741.68/x
  3. Step 3: Cross multiply
    83,457,631.89x = 125,098,092.54 × 28,072,741.68
  4. Step 4: Simplify right side
    83,457,631.89x = 3,511,846,436,536,155
  5. Step 5: Solve for x
    x = 3,511,846,436,536,155/83,457,631.89
  6. Step 6: Final answer
    x = 42,079,392.35

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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.