Home / 220,289,417.76-330,379,189.20-64,812,288

Finding the Fourth Proportional to 220,289,417.76, 330,379,189.20 and 64,812,288

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Solution

The fourth proportional to 220,289,417.76, 330,379,189.20 and 64,812,288 is: 97,202,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,289,417.76 : 330,379,189.20 = 64,812,288 : x
  2. Step 2: Convert to fraction form
    220,289,417.76/330,379,189.20 = 64,812,288/x
  3. Step 3: Cross multiply
    220,289,417.76x = 330,379,189.20 × 64,812,288
  4. Step 4: Simplify right side
    220,289,417.76x = 21,412,631,159,636,888
  5. Step 5: Solve for x
    x = 21,412,631,159,636,888/220,289,417.76
  6. Step 6: Final answer
    x = 97,202,268.62

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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.