Home / 253,744,999.80-380,617,499.70-173,123,431.80

Finding the Fourth Proportional to 253,744,999.80, 380,617,499.70 and 173,123,431.80

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Solution

The fourth proportional to 253,744,999.80, 380,617,499.70 and 173,123,431.80 is: 259,685,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,744,999.80 : 380,617,499.70 = 173,123,431.80 : x
  2. Step 2: Convert to fraction form
    253,744,999.80/380,617,499.70 = 173,123,431.80/x
  3. Step 3: Cross multiply
    253,744,999.80x = 380,617,499.70 × 173,123,431.80
  4. Step 4: Simplify right side
    253,744,999.80x = 65,893,807,751,199,472
  5. Step 5: Solve for x
    x = 65,893,807,751,199,472/253,744,999.80
  6. Step 6: Final answer
    x = 259,685,147.70

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1.5x scale

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.