Home / 207,790,558.33-311,064,444.86-125,660,878.81

Finding the Fourth Proportional to 207,790,558.33, 311,064,444.86 and 125,660,878.81

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Solution

The fourth proportional to 207,790,558.33, 311,064,444.86 and 125,660,878.81 is: 188,115,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,790,558.33 : 311,064,444.86 = 125,660,878.81 : x
  2. Step 2: Convert to fraction form
    207,790,558.33/311,064,444.86 = 125,660,878.81/x
  3. Step 3: Cross multiply
    207,790,558.33x = 311,064,444.86 × 125,660,878.81
  4. Step 4: Simplify right side
    207,790,558.33x = 39,088,631,507,024,088
  5. Step 5: Solve for x
    x = 39,088,631,507,024,088/207,790,558.33
  6. Step 6: Final answer
    x = 188,115,532.40

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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.