Home / 113,541,956.88-156,687,963.45-61,330,992.82

Finding the Fourth Proportional to 113,541,956.88, 156,687,963.45 and 61,330,992.82

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Solution

The fourth proportional to 113,541,956.88, 156,687,963.45 and 61,330,992.82 is: 84,636,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,541,956.88 : 156,687,963.45 = 61,330,992.82 : x
  2. Step 2: Convert to fraction form
    113,541,956.88/156,687,963.45 = 61,330,992.82/x
  3. Step 3: Cross multiply
    113,541,956.88x = 156,687,963.45 × 61,330,992.82
  4. Step 4: Simplify right side
    113,541,956.88x = 9,609,828,361,332,372
  5. Step 5: Solve for x
    x = 9,609,828,361,332,372/113,541,956.88
  6. Step 6: Final answer
    x = 84,636,804.10

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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.