Home / 255,051,899.96-351,883,538.20-154,612,540.52

Finding the Fourth Proportional to 255,051,899.96, 351,883,538.20 and 154,612,540.52

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Solution

The fourth proportional to 255,051,899.96, 351,883,538.20 and 154,612,540.52 is: 213,311,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,051,899.96 : 351,883,538.20 = 154,612,540.52 : x
  2. Step 2: Convert to fraction form
    255,051,899.96/351,883,538.20 = 154,612,540.52/x
  3. Step 3: Cross multiply
    255,051,899.96x = 351,883,538.20 × 154,612,540.52
  4. Step 4: Simplify right side
    255,051,899.96x = 54,405,607,808,268,472
  5. Step 5: Solve for x
    x = 54,405,607,808,268,472/255,051,899.96
  6. Step 6: Final answer
    x = 213,311,909.52

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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.