Home / 81,163,379.76-112,012,549.96-44,501,036.64

Finding the Fourth Proportional to 81,163,379.76, 112,012,549.96 and 44,501,036.64

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Solution

The fourth proportional to 81,163,379.76, 112,012,549.96 and 44,501,036.64 is: 61,415,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,163,379.76 : 112,012,549.96 = 44,501,036.64 : x
  2. Step 2: Convert to fraction form
    81,163,379.76/112,012,549.96 = 44,501,036.64/x
  3. Step 3: Cross multiply
    81,163,379.76x = 112,012,549.96 × 44,501,036.64
  4. Step 4: Simplify right side
    81,163,379.76x = 4,984,674,589,909,790
  5. Step 5: Solve for x
    x = 4,984,674,589,909,790/81,163,379.76
  6. Step 6: Final answer
    x = 61,415,315.68

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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.