Home / 219,028,750.80-328,521,774.60-57,470,686.80

Finding the Fourth Proportional to 219,028,750.80, 328,521,774.60 and 57,470,686.80

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Solution

The fourth proportional to 219,028,750.80, 328,521,774.60 and 57,470,686.80 is: 86,200,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,028,750.80 : 328,521,774.60 = 57,470,686.80 : x
  2. Step 2: Convert to fraction form
    219,028,750.80/328,521,774.60 = 57,470,686.80/x
  3. Step 3: Cross multiply
    219,028,750.80x = 328,521,774.60 × 57,470,686.80
  4. Step 4: Simplify right side
    219,028,750.80x = 18,880,372,015,016,796
  5. Step 5: Solve for x
    x = 18,880,372,015,016,796/219,028,750.80
  6. Step 6: Final answer
    x = 86,200,427.78

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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.