Home / 81,393,689.91-112,323,266.37-44,726,622.87

Finding the Fourth Proportional to 81,393,689.91, 112,323,266.37 and 44,726,622.87

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Solution

The fourth proportional to 81,393,689.91, 112,323,266.37 and 44,726,622.87 is: 61,722,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,393,689.91 : 112,323,266.37 = 44,726,622.87 : x
  2. Step 2: Convert to fraction form
    81,393,689.91/112,323,266.37 = 44,726,622.87/x
  3. Step 3: Cross multiply
    81,393,689.91x = 112,323,266.37 × 44,726,622.87
  4. Step 4: Simplify right side
    81,393,689.91x = 5,023,840,374,457,544
  5. Step 5: Solve for x
    x = 5,023,840,374,457,544/81,393,689.91
  6. Step 6: Final answer
    x = 61,722,725.44

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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.