Home / 97,870,961.29-135,065,393.50-53,821,311.38

Finding the Fourth Proportional to 97,870,961.29, 135,065,393.50 and 53,821,311.38

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Solution

The fourth proportional to 97,870,961.29, 135,065,393.50 and 53,821,311.38 is: 74,275,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,870,961.29 : 135,065,393.50 = 53,821,311.38 : x
  2. Step 2: Convert to fraction form
    97,870,961.29/135,065,393.50 = 53,821,311.38/x
  3. Step 3: Cross multiply
    97,870,961.29x = 135,065,393.50 × 53,821,311.38
  4. Step 4: Simplify right side
    97,870,961.29x = 7,269,396,600,225,728
  5. Step 5: Solve for x
    x = 7,269,396,600,225,728/97,870,961.29
  6. Step 6: Final answer
    x = 74,275,316.24

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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.