Home / 51,127,628.22-70,557,867.86-30,237,568.20

Finding the Fourth Proportional to 51,127,628.22, 70,557,867.86 and 30,237,568.20

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Solution

The fourth proportional to 51,127,628.22, 70,557,867.86 and 30,237,568.20 is: 41,728,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127,628.22 : 70,557,867.86 = 30,237,568.20 : x
  2. Step 2: Convert to fraction form
    51,127,628.22/70,557,867.86 = 30,237,568.20/x
  3. Step 3: Cross multiply
    51,127,628.22x = 70,557,867.86 × 30,237,568.20
  4. Step 4: Simplify right side
    51,127,628.22x = 2,133,498,341,312,150.25
  5. Step 5: Solve for x
    x = 2,133,498,341,312,150.25/51,127,628.22
  6. Step 6: Final answer
    x = 41,728,873.71

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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.