Home / 221,798,889.90-332,666,842.05-76,239,168.30

Finding the Fourth Proportional to 221,798,889.90, 332,666,842.05 and 76,239,168.30

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Solution

The fourth proportional to 221,798,889.90, 332,666,842.05 and 76,239,168.30 is: 114,347,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,798,889.90 : 332,666,842.05 = 76,239,168.30 : x
  2. Step 2: Convert to fraction form
    221,798,889.90/332,666,842.05 = 76,239,168.30/x
  3. Step 3: Cross multiply
    221,798,889.90x = 332,666,842.05 × 76,239,168.30
  4. Step 4: Simplify right side
    221,798,889.90x = 25,362,243,358,879,468
  5. Step 5: Solve for x
    x = 25,362,243,358,879,468/221,798,889.90
  6. Step 6: Final answer
    x = 114,347,927.40

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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.