Home / 76,078,809.50-104,988,757.12-43,484,461.34

Finding the Fourth Proportional to 76,078,809.50, 104,988,757.12 and 43,484,461.34

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Solution

The fourth proportional to 76,078,809.50, 104,988,757.12 and 43,484,461.34 is: 60,008,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,078,809.50 : 104,988,757.12 = 43,484,461.34 : x
  2. Step 2: Convert to fraction form
    76,078,809.50/104,988,757.12 = 43,484,461.34/x
  3. Step 3: Cross multiply
    76,078,809.50x = 104,988,757.12 × 43,484,461.34
  4. Step 4: Simplify right side
    76,078,809.50x = 4,565,379,550,119,290
  5. Step 5: Solve for x
    x = 4,565,379,550,119,290/76,078,809.50
  6. Step 6: Final answer
    x = 60,008,556.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.