Home / 80,736,051.16-111,561,491.37-57,490,821.82

Finding the Fourth Proportional to 80,736,051.16, 111,561,491.37 and 57,490,821.82

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Solution

The fourth proportional to 80,736,051.16, 111,561,491.37 and 57,490,821.82 is: 79,441,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,736,051.16 : 111,561,491.37 = 57,490,821.82 : x
  2. Step 2: Convert to fraction form
    80,736,051.16/111,561,491.37 = 57,490,821.82/x
  3. Step 3: Cross multiply
    80,736,051.16x = 111,561,491.37 × 57,490,821.82
  4. Step 4: Simplify right side
    80,736,051.16x = 6,413,761,822,326,138
  5. Step 5: Solve for x
    x = 6,413,761,822,326,138/80,736,051.16
  6. Step 6: Final answer
    x = 79,441,113.73

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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.