Home / 52,258,769.22-72,121,135.68-31,351,584.90

Finding the Fourth Proportional to 52,258,769.22, 72,121,135.68 and 31,351,584.90

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Solution

The fourth proportional to 52,258,769.22, 72,121,135.68 and 31,351,584.90 is: 43,267,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258,769.22 : 72,121,135.68 = 31,351,584.90 : x
  2. Step 2: Convert to fraction form
    52,258,769.22/72,121,135.68 = 31,351,584.90/x
  3. Step 3: Cross multiply
    52,258,769.22x = 72,121,135.68 × 31,351,584.90
  4. Step 4: Simplify right side
    52,258,769.22x = 2,261,111,908,355,939.50
  5. Step 5: Solve for x
    x = 2,261,111,908,355,939.50/52,258,769.22
  6. Step 6: Final answer
    x = 43,267,607.37

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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.