Home / 213,029,955.40-319,544,933.10-169,983,234.40

Finding the Fourth Proportional to 213,029,955.40, 319,544,933.10 and 169,983,234.40

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Solution

The fourth proportional to 213,029,955.40, 319,544,933.10 and 169,983,234.40 is: 254,974,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,029,955.40 : 319,544,933.10 = 169,983,234.40 : x
  2. Step 2: Convert to fraction form
    213,029,955.40/319,544,933.10 = 169,983,234.40/x
  3. Step 3: Cross multiply
    213,029,955.40x = 319,544,933.10 × 169,983,234.40
  4. Step 4: Simplify right side
    213,029,955.40x = 54,317,281,264,469,624
  5. Step 5: Solve for x
    x = 54,317,281,264,469,624/213,029,955.40
  6. Step 6: Final answer
    x = 254,974,851.60

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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.