Home / 53,415,657.42-73,690,203.33-31,379,215.77

Finding the Fourth Proportional to 53,415,657.42, 73,690,203.33 and 31,379,215.77

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Solution

The fourth proportional to 53,415,657.42, 73,690,203.33 and 31,379,215.77 is: 43,289,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415,657.42 : 73,690,203.33 = 31,379,215.77 : x
  2. Step 2: Convert to fraction form
    53,415,657.42/73,690,203.33 = 31,379,215.77/x
  3. Step 3: Cross multiply
    53,415,657.42x = 73,690,203.33 × 31,379,215.77
  4. Step 4: Simplify right side
    53,415,657.42x = 2,312,340,790,427,242.50
  5. Step 5: Solve for x
    x = 2,312,340,790,427,242.50/53,415,657.42
  6. Step 6: Final answer
    x = 43,289,569.05

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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.