Home / 213,029,984.90-319,544,977.35-169,983,263.90

Finding the Fourth Proportional to 213,029,984.90, 319,544,977.35 and 169,983,263.90

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Solution

The fourth proportional to 213,029,984.90, 319,544,977.35 and 169,983,263.90 is: 254,974,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,029,984.90 : 319,544,977.35 = 169,983,263.90 : x
  2. Step 2: Convert to fraction form
    213,029,984.90/319,544,977.35 = 169,983,263.90/x
  3. Step 3: Cross multiply
    213,029,984.90x = 319,544,977.35 × 169,983,263.90
  4. Step 4: Simplify right side
    213,029,984.90x = 54,317,298,212,804,576
  5. Step 5: Solve for x
    x = 54,317,298,212,804,576/213,029,984.90
  6. Step 6: Final answer
    x = 254,974,895.85

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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.