Home / 123,804,001.20-185,706,001.80-111,899,722.80

Finding the Fourth Proportional to 123,804,001.20, 185,706,001.80 and 111,899,722.80

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Solution

The fourth proportional to 123,804,001.20, 185,706,001.80 and 111,899,722.80 is: 167,849,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,804,001.20 : 185,706,001.80 = 111,899,722.80 : x
  2. Step 2: Convert to fraction form
    123,804,001.20/185,706,001.80 = 111,899,722.80/x
  3. Step 3: Cross multiply
    123,804,001.20x = 185,706,001.80 × 111,899,722.80
  4. Step 4: Simplify right side
    123,804,001.20x = 20,780,450,123,716,300
  5. Step 5: Solve for x
    x = 20,780,450,123,716,300/123,804,001.20
  6. Step 6: Final answer
    x = 167,849,584.20

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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.