Home / 131,926,539.48-181,982,984.74-82,280,721.93

Finding the Fourth Proportional to 131,926,539.48, 181,982,984.74 and 82,280,721.93

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Solution

The fourth proportional to 131,926,539.48, 181,982,984.74 and 82,280,721.93 is: 113,500,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926,539.48 : 181,982,984.74 = 82,280,721.93 : x
  2. Step 2: Convert to fraction form
    131,926,539.48/181,982,984.74 = 82,280,721.93/x
  3. Step 3: Cross multiply
    131,926,539.48x = 181,982,984.74 × 82,280,721.93
  4. Step 4: Simplify right side
    131,926,539.48x = 14,973,691,363,383,376
  5. Step 5: Solve for x
    x = 14,973,691,363,383,376/131,926,539.48
  6. Step 6: Final answer
    x = 113,500,220.82

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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.