Home / 57,887,770.92-79,885,281.05-31,783,979.49

Finding the Fourth Proportional to 57,887,770.92, 79,885,281.05 and 31,783,979.49

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Solution

The fourth proportional to 57,887,770.92, 79,885,281.05 and 31,783,979.49 is: 43,861,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,770.92 : 79,885,281.05 = 31,783,979.49 : x
  2. Step 2: Convert to fraction form
    57,887,770.92/79,885,281.05 = 31,783,979.49/x
  3. Step 3: Cross multiply
    57,887,770.92x = 79,885,281.05 × 31,783,979.49
  4. Step 4: Simplify right side
    57,887,770.92x = 2,539,072,134,446,085.50
  5. Step 5: Solve for x
    x = 2,539,072,134,446,085.50/57,887,770.92
  6. Step 6: Final answer
    x = 43,861,978.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.