Home / 203,423,037.84-280,720,485-110,605,883.04

Finding the Fourth Proportional to 203,423,037.84, 280,720,485 and 110,605,883.04

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Solution

The fourth proportional to 203,423,037.84, 280,720,485 and 110,605,883.04 is: 152,634,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,423,037.84 : 280,720,485 = 110,605,883.04 : x
  2. Step 2: Convert to fraction form
    203,423,037.84/280,720,485 = 110,605,883.04/x
  3. Step 3: Cross multiply
    203,423,037.84x = 280,720,485 × 110,605,883.04
  4. Step 4: Simplify right side
    203,423,037.84x = 31,049,337,130,842,076
  5. Step 5: Solve for x
    x = 31,049,337,130,842,076/203,423,037.84
  6. Step 6: Final answer
    x = 152,634,320.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.