Home / 119,939,209.21-179,908,839.73-43,262,231.05

Finding the Fourth Proportional to 119,939,209.21, 179,908,839.73 and 43,262,231.05

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Solution

The fourth proportional to 119,939,209.21, 179,908,839.73 and 43,262,231.05 is: 64,893,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,939,209.21 : 179,908,839.73 = 43,262,231.05 : x
  2. Step 2: Convert to fraction form
    119,939,209.21/179,908,839.73 = 43,262,231.05/x
  3. Step 3: Cross multiply
    119,939,209.21x = 179,908,839.73 × 43,262,231.05
  4. Step 4: Simplify right side
    119,939,209.21x = 7,783,257,791,886,907
  5. Step 5: Solve for x
    x = 7,783,257,791,886,907/119,939,209.21
  6. Step 6: Final answer
    x = 64,893,355.92

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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.