Home / 252,655,323.37-379,019,133.74-77,793,150.31

Finding the Fourth Proportional to 252,655,323.37, 379,019,133.74 and 77,793,150.31

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Solution

The fourth proportional to 252,655,323.37, 379,019,133.74 and 77,793,150.31 is: 116,700,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,655,323.37 : 379,019,133.74 = 77,793,150.31 : x
  2. Step 2: Convert to fraction form
    252,655,323.37/379,019,133.74 = 77,793,150.31/x
  3. Step 3: Cross multiply
    252,655,323.37x = 379,019,133.74 × 77,793,150.31
  4. Step 4: Simplify right side
    252,655,323.37x = 29,485,092,441,012,848
  5. Step 5: Solve for x
    x = 29,485,092,441,012,848/252,655,323.37
  6. Step 6: Final answer
    x = 116,700,855.73

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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.