Home / 253,744,998.80-380,617,498.20-173,123,430.80

Finding the Fourth Proportional to 253,744,998.80, 380,617,498.20 and 173,123,430.80

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Solution

The fourth proportional to 253,744,998.80, 380,617,498.20 and 173,123,430.80 is: 259,685,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,744,998.80 : 380,617,498.20 = 173,123,430.80 : x
  2. Step 2: Convert to fraction form
    253,744,998.80/380,617,498.20 = 173,123,430.80/x
  3. Step 3: Cross multiply
    253,744,998.80x = 380,617,498.20 × 173,123,430.80
  4. Step 4: Simplify right side
    253,744,998.80x = 65,893,807,110,896,824
  5. Step 5: Solve for x
    x = 65,893,807,110,896,824/253,744,998.80
  6. Step 6: Final answer
    x = 259,685,146.20

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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.