Home / 81,739,784.88-112,858,531.20-52,446,582

Finding the Fourth Proportional to 81,739,784.88, 112,858,531.20 and 52,446,582

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Solution

The fourth proportional to 81,739,784.88, 112,858,531.20 and 52,446,582 is: 72,413,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,739,784.88 : 112,858,531.20 = 52,446,582 : x
  2. Step 2: Convert to fraction form
    81,739,784.88/112,858,531.20 = 52,446,582/x
  3. Step 3: Cross multiply
    81,739,784.88x = 112,858,531.20 × 52,446,582
  4. Step 4: Simplify right side
    81,739,784.88x = 5,919,044,210,980,359
  5. Step 5: Solve for x
    x = 5,919,044,210,980,359/81,739,784.88
  6. Step 6: Final answer
    x = 72,413,258.97

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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.