Home / 66,928,925.19-100,397,999.73-28,028,209.85

Finding the Fourth Proportional to 66,928,925.19, 100,397,999.73 and 28,028,209.85

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Solution

The fourth proportional to 66,928,925.19, 100,397,999.73 and 28,028,209.85 is: 42,044,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928,925.19 : 100,397,999.73 = 28,028,209.85 : x
  2. Step 2: Convert to fraction form
    66,928,925.19/100,397,999.73 = 28,028,209.85/x
  3. Step 3: Cross multiply
    66,928,925.19x = 100,397,999.73 × 28,028,209.85
  4. Step 4: Simplify right side
    66,928,925.19x = 2,813,976,204,450,693.50
  5. Step 5: Solve for x
    x = 2,813,976,204,450,693.50/66,928,925.19
  6. Step 6: Final answer
    x = 42,044,246.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.