Home / 57,170,588.11-78,895,239.81-31,065,185.59

Finding the Fourth Proportional to 57,170,588.11, 78,895,239.81 and 31,065,185.59

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Solution

The fourth proportional to 57,170,588.11, 78,895,239.81 and 31,065,185.59 is: 42,869,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,588.11 : 78,895,239.81 = 31,065,185.59 : x
  2. Step 2: Convert to fraction form
    57,170,588.11/78,895,239.81 = 31,065,185.59/x
  3. Step 3: Cross multiply
    57,170,588.11x = 78,895,239.81 × 31,065,185.59
  4. Step 4: Simplify right side
    57,170,588.11x = 2,450,895,266,865,206.50
  5. Step 5: Solve for x
    x = 2,450,895,266,865,206.50/57,170,588.11
  6. Step 6: Final answer
    x = 42,869,862.77

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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.