Home / 81,858,064.32-112,963,435.92-45,187,848

Finding the Fourth Proportional to 81,858,064.32, 112,963,435.92 and 45,187,848

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Solution

The fourth proportional to 81,858,064.32, 112,963,435.92 and 45,187,848 is: 62,358,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,858,064.32 : 112,963,435.92 = 45,187,848 : x
  2. Step 2: Convert to fraction form
    81,858,064.32/112,963,435.92 = 45,187,848/x
  3. Step 3: Cross multiply
    81,858,064.32x = 112,963,435.92 × 45,187,848
  4. Step 4: Simplify right side
    81,858,064.32x = 5,104,574,571,910,700
  5. Step 5: Solve for x
    x = 5,104,574,571,910,700/81,858,064.32
  6. Step 6: Final answer
    x = 62,358,847.77

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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.