Home / 221,378,999.40-332,034,443.87-73,829,151.54

Finding the Fourth Proportional to 221,378,999.40, 332,034,443.87 and 73,829,151.54

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Solution

The fourth proportional to 221,378,999.40, 332,034,443.87 and 73,829,151.54 is: 110,732,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,378,999.40 : 332,034,443.87 = 73,829,151.54 : x
  2. Step 2: Convert to fraction form
    221,378,999.40/332,034,443.87 = 73,829,151.54/x
  3. Step 3: Cross multiply
    221,378,999.40x = 332,034,443.87 × 73,829,151.54
  4. Step 4: Simplify right side
    221,378,999.40x = 24,513,821,272,608,712
  5. Step 5: Solve for x
    x = 24,513,821,272,608,712/221,378,999.40
  6. Step 6: Final answer
    x = 110,732,370.00

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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.