Home / 139,959,861.64-209,915,865.06-37,699,984.44

Finding the Fourth Proportional to 139,959,861.64, 209,915,865.06 and 37,699,984.44

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Solution

The fourth proportional to 139,959,861.64, 209,915,865.06 and 37,699,984.44 is: 56,543,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,959,861.64 : 209,915,865.06 = 37,699,984.44 : x
  2. Step 2: Convert to fraction form
    139,959,861.64/209,915,865.06 = 37,699,984.44/x
  3. Step 3: Cross multiply
    139,959,861.64x = 209,915,865.06 × 37,699,984.44
  4. Step 4: Simplify right side
    139,959,861.64x = 7,913,824,846,471,139
  5. Step 5: Solve for x
    x = 7,913,824,846,471,139/139,959,861.64
  6. Step 6: Final answer
    x = 56,543,531.51

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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.