Home / 52,379,364.96-78,434,894.88-43,721,939.76

Finding the Fourth Proportional to 52,379,364.96, 78,434,894.88 and 43,721,939.76

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Solution

The fourth proportional to 52,379,364.96, 78,434,894.88 and 43,721,939.76 is: 65,470,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,379,364.96 : 78,434,894.88 = 43,721,939.76 : x
  2. Step 2: Convert to fraction form
    52,379,364.96/78,434,894.88 = 43,721,939.76/x
  3. Step 3: Cross multiply
    52,379,364.96x = 78,434,894.88 × 43,721,939.76
  4. Step 4: Simplify right side
    52,379,364.96x = 3,429,325,749,025,292
  5. Step 5: Solve for x
    x = 3,429,325,749,025,292/52,379,364.96
  6. Step 6: Final answer
    x = 65,470,930.23

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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.