Home / 220,289,416.76-330,379,187.70-64,812,287

Finding the Fourth Proportional to 220,289,416.76, 330,379,187.70 and 64,812,287

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Solution

The fourth proportional to 220,289,416.76, 330,379,187.70 and 64,812,287 is: 97,202,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,289,416.76 : 330,379,187.70 = 64,812,287 : x
  2. Step 2: Convert to fraction form
    220,289,416.76/330,379,187.70 = 64,812,287/x
  3. Step 3: Cross multiply
    220,289,416.76x = 330,379,187.70 × 64,812,287
  4. Step 4: Simplify right side
    220,289,416.76x = 21,412,630,732,039,268
  5. Step 5: Solve for x
    x = 21,412,630,732,039,268/220,289,416.76
  6. Step 6: Final answer
    x = 97,202,267.12

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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.