Home / 123,007,208.40-184,538,806.20-71,862,901.20

Finding the Fourth Proportional to 123,007,208.40, 184,538,806.20 and 71,862,901.20

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Solution

The fourth proportional to 123,007,208.40, 184,538,806.20 and 71,862,901.20 is: 107,810,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,007,208.40 : 184,538,806.20 = 71,862,901.20 : x
  2. Step 2: Convert to fraction form
    123,007,208.40/184,538,806.20 = 71,862,901.20/x
  3. Step 3: Cross multiply
    123,007,208.40x = 184,538,806.20 × 71,862,901.20
  4. Step 4: Simplify right side
    123,007,208.40x = 13,261,493,997,516,548
  5. Step 5: Solve for x
    x = 13,261,493,997,516,548/123,007,208.40
  6. Step 6: Final answer
    x = 107,810,706.14

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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.