Home / 82,716,624.30-124,074,936.45-55,435,986.30

Finding the Fourth Proportional to 82,716,624.30, 124,074,936.45 and 55,435,986.30

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Solution

The fourth proportional to 82,716,624.30, 124,074,936.45 and 55,435,986.30 is: 83,153,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,716,624.30 : 124,074,936.45 = 55,435,986.30 : x
  2. Step 2: Convert to fraction form
    82,716,624.30/124,074,936.45 = 55,435,986.30/x
  3. Step 3: Cross multiply
    82,716,624.30x = 124,074,936.45 × 55,435,986.30
  4. Step 4: Simplify right side
    82,716,624.30x = 6,878,216,477,215,570
  5. Step 5: Solve for x
    x = 6,878,216,477,215,570/82,716,624.30
  6. Step 6: Final answer
    x = 83,153,979.45

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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.