Home / 123,875,205.80-185,812,808.70-111,545,774.60

Finding the Fourth Proportional to 123,875,205.80, 185,812,808.70 and 111,545,774.60

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Solution

The fourth proportional to 123,875,205.80, 185,812,808.70 and 111,545,774.60 is: 167,318,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,875,205.80 : 185,812,808.70 = 111,545,774.60 : x
  2. Step 2: Convert to fraction form
    123,875,205.80/185,812,808.70 = 111,545,774.60/x
  3. Step 3: Cross multiply
    123,875,205.80x = 185,812,808.70 × 111,545,774.60
  4. Step 4: Simplify right side
    123,875,205.80x = 20,726,633,677,043,116
  5. Step 5: Solve for x
    x = 20,726,633,677,043,116/123,875,205.80
  6. Step 6: Final answer
    x = 167,318,661.90

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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.