Home / 72,428,220.46-99,933,448.71-45,956,922.58

Finding the Fourth Proportional to 72,428,220.46, 99,933,448.71 and 45,956,922.58

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Solution

The fourth proportional to 72,428,220.46, 99,933,448.71 and 45,956,922.58 is: 63,409,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,428,220.46 : 99,933,448.71 = 45,956,922.58 : x
  2. Step 2: Convert to fraction form
    72,428,220.46/99,933,448.71 = 45,956,922.58/x
  3. Step 3: Cross multiply
    72,428,220.46x = 99,933,448.71 × 45,956,922.58
  4. Step 4: Simplify right side
    72,428,220.46x = 4,592,633,765,517,870
  5. Step 5: Solve for x
    x = 4,592,633,765,517,870/72,428,220.46
  6. Step 6: Final answer
    x = 63,409,451.96

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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.