Home / 119,779,937.80-179,669,906.70-43,075,286.80

Finding the Fourth Proportional to 119,779,937.80, 179,669,906.70 and 43,075,286.80

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Solution

The fourth proportional to 119,779,937.80, 179,669,906.70 and 43,075,286.80 is: 64,612,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,779,937.80 : 179,669,906.70 = 43,075,286.80 : x
  2. Step 2: Convert to fraction form
    119,779,937.80/179,669,906.70 = 43,075,286.80/x
  3. Step 3: Cross multiply
    119,779,937.80x = 179,669,906.70 × 43,075,286.80
  4. Step 4: Simplify right side
    119,779,937.80x = 7,739,332,760,431,741
  5. Step 5: Solve for x
    x = 7,739,332,760,431,741/119,779,937.80
  6. Step 6: Final answer
    x = 64,612,930.20

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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.