Home / 340,790,024.32-511,185,018.06-82,005,272.24

Finding the Fourth Proportional to 340,790,024.32, 511,185,018.06 and 82,005,272.24

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Solution

The fourth proportional to 340,790,024.32, 511,185,018.06 and 82,005,272.24 is: 123,007,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,790,024.32 : 511,185,018.06 = 82,005,272.24 : x
  2. Step 2: Convert to fraction form
    340,790,024.32/511,185,018.06 = 82,005,272.24/x
  3. Step 3: Cross multiply
    340,790,024.32x = 511,185,018.06 × 82,005,272.24
  4. Step 4: Simplify right side
    340,790,024.32x = 41,919,866,571,019,616
  5. Step 5: Solve for x
    x = 41,919,866,571,019,616/340,790,024.32
  6. Step 6: Final answer
    x = 123,007,903.93

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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.