Home / 69,928,837.86-104,875,364.13-20,733,187.30

Finding the Fourth Proportional to 69,928,837.86, 104,875,364.13 and 20,733,187.30

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Solution

The fourth proportional to 69,928,837.86, 104,875,364.13 and 20,733,187.30 is: 31,094,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,928,837.86 : 104,875,364.13 = 20,733,187.30 : x
  2. Step 2: Convert to fraction form
    69,928,837.86/104,875,364.13 = 20,733,187.30/x
  3. Step 3: Cross multiply
    69,928,837.86x = 104,875,364.13 × 20,733,187.30
  4. Step 4: Simplify right side
    69,928,837.86x = 2,174,400,567,734,691.25
  5. Step 5: Solve for x
    x = 2,174,400,567,734,691.25/69,928,837.86
  6. Step 6: Final answer
    x = 31,094,475.96

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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.