Home / 80,736,050.91-111,561,490.98-57,490,821.57

Finding the Fourth Proportional to 80,736,050.91, 111,561,490.98 and 57,490,821.57

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Solution

The fourth proportional to 80,736,050.91, 111,561,490.98 and 57,490,821.57 is: 79,441,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,736,050.91 : 111,561,490.98 = 57,490,821.57 : x
  2. Step 2: Convert to fraction form
    80,736,050.91/111,561,490.98 = 57,490,821.57/x
  3. Step 3: Cross multiply
    80,736,050.91x = 111,561,490.98 × 57,490,821.57
  4. Step 4: Simplify right side
    80,736,050.91x = 6,413,761,772,014,345
  5. Step 5: Solve for x
    x = 6,413,761,772,014,345/80,736,050.91
  6. Step 6: Final answer
    x = 79,441,113.35

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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.