Home / 123,007,209.40-184,538,807.70-71,862,902.20

Finding the Fourth Proportional to 123,007,209.40, 184,538,807.70 and 71,862,902.20

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Solution

The fourth proportional to 123,007,209.40, 184,538,807.70 and 71,862,902.20 is: 107,810,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,007,209.40 : 184,538,807.70 = 71,862,902.20 : x
  2. Step 2: Convert to fraction form
    123,007,209.40/184,538,807.70 = 71,862,902.20/x
  3. Step 3: Cross multiply
    123,007,209.40x = 184,538,807.70 × 71,862,902.20
  4. Step 4: Simplify right side
    123,007,209.40x = 13,261,494,289,849,706
  5. Step 5: Solve for x
    x = 13,261,494,289,849,706/123,007,209.40
  6. Step 6: Final answer
    x = 107,810,707.64

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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.