Home / 200,115,816.06-300,225,477.15-117,187,603.05

Finding the Fourth Proportional to 200,115,816.06, 300,225,477.15 and 117,187,603.05

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Solution

The fourth proportional to 200,115,816.06, 300,225,477.15 and 117,187,603.05 is: 175,811,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,115,816.06 : 300,225,477.15 = 117,187,603.05 : x
  2. Step 2: Convert to fraction form
    200,115,816.06/300,225,477.15 = 117,187,603.05/x
  3. Step 3: Cross multiply
    200,115,816.06x = 300,225,477.15 × 117,187,603.05
  4. Step 4: Simplify right side
    200,115,816.06x = 35,182,704,041,751,040
  5. Step 5: Solve for x
    x = 35,182,704,041,751,040/200,115,816.06
  6. Step 6: Final answer
    x = 175,811,711.11

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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.