Home / 131,926,457.69-181,982,871.93-82,280,640.26

Finding the Fourth Proportional to 131,926,457.69, 181,982,871.93 and 82,280,640.26

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Solution

The fourth proportional to 131,926,457.69, 181,982,871.93 and 82,280,640.26 is: 113,500,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926,457.69 : 181,982,871.93 = 82,280,640.26 : x
  2. Step 2: Convert to fraction form
    131,926,457.69/181,982,871.93 = 82,280,640.26/x
  3. Step 3: Cross multiply
    131,926,457.69x = 181,982,871.93 × 82,280,640.26
  4. Step 4: Simplify right side
    131,926,457.69x = 14,973,667,217,844,068
  5. Step 5: Solve for x
    x = 14,973,667,217,844,068/131,926,457.69
  6. Step 6: Final answer
    x = 113,500,108.17

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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.