Home / 213,245,999.10-319,868,998.65-174,503,950.20

Finding the Fourth Proportional to 213,245,999.10, 319,868,998.65 and 174,503,950.20

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Solution

The fourth proportional to 213,245,999.10, 319,868,998.65 and 174,503,950.20 is: 261,755,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,245,999.10 : 319,868,998.65 = 174,503,950.20 : x
  2. Step 2: Convert to fraction form
    213,245,999.10/319,868,998.65 = 174,503,950.20/x
  3. Step 3: Cross multiply
    213,245,999.10x = 319,868,998.65 × 174,503,950.20
  4. Step 4: Simplify right side
    213,245,999.10x = 55,818,403,810,943,456
  5. Step 5: Solve for x
    x = 55,818,403,810,943,456/213,245,999.10
  6. Step 6: Final answer
    x = 261,755,925.30

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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.