Home / 123,221,381.76-184,829,584.32-42,440,561.28

Finding the Fourth Proportional to 123,221,381.76, 184,829,584.32 and 42,440,561.28

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Solution

The fourth proportional to 123,221,381.76, 184,829,584.32 and 42,440,561.28 is: 63,659,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,221,381.76 : 184,829,584.32 = 42,440,561.28 : x
  2. Step 2: Convert to fraction form
    123,221,381.76/184,829,584.32 = 42,440,561.28/x
  3. Step 3: Cross multiply
    123,221,381.76x = 184,829,584.32 × 42,440,561.28
  4. Step 4: Simplify right side
    123,221,381.76x = 7,844,271,299,689,887
  5. Step 5: Solve for x
    x = 7,844,271,299,689,887/123,221,381.76
  6. Step 6: Final answer
    x = 63,659,984.88

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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.