Home / 131,926,461.03-181,982,876.55-82,280,643.63

Finding the Fourth Proportional to 131,926,461.03, 181,982,876.55 and 82,280,643.63

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Solution

The fourth proportional to 131,926,461.03, 181,982,876.55 and 82,280,643.63 is: 113,500,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926,461.03 : 181,982,876.55 = 82,280,643.63 : x
  2. Step 2: Convert to fraction form
    131,926,461.03/181,982,876.55 = 82,280,643.63/x
  3. Step 3: Cross multiply
    131,926,461.03x = 181,982,876.55 × 82,280,643.63
  4. Step 4: Simplify right side
    131,926,461.03x = 14,973,668,212,172,834
  5. Step 5: Solve for x
    x = 14,973,668,212,172,834/131,926,461.03
  6. Step 6: Final answer
    x = 113,500,112.83

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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.