Home / 77,471,206.40-116,206,809.60-51,493,145.60

Finding the Fourth Proportional to 77,471,206.40, 116,206,809.60 and 51,493,145.60

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Solution

The fourth proportional to 77,471,206.40, 116,206,809.60 and 51,493,145.60 is: 77,239,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,471,206.40 : 116,206,809.60 = 51,493,145.60 : x
  2. Step 2: Convert to fraction form
    77,471,206.40/116,206,809.60 = 51,493,145.60/x
  3. Step 3: Cross multiply
    77,471,206.40x = 116,206,809.60 × 51,493,145.60
  4. Step 4: Simplify right side
    77,471,206.40x = 5,983,854,166,444,278
  5. Step 5: Solve for x
    x = 5,983,854,166,444,278/77,471,206.40
  6. Step 6: Final answer
    x = 77,239,718.40

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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.