Home / 155,268,549.30-232,705,009.80-82,520,181.30

Finding the Fourth Proportional to 155,268,549.30, 232,705,009.80 and 82,520,181.30

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Solution

The fourth proportional to 155,268,549.30, 232,705,009.80 and 82,520,181.30 is: 123,675,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,268,549.30 : 232,705,009.80 = 82,520,181.30 : x
  2. Step 2: Convert to fraction form
    155,268,549.30/232,705,009.80 = 82,520,181.30/x
  3. Step 3: Cross multiply
    155,268,549.30x = 232,705,009.80 × 82,520,181.30
  4. Step 4: Simplify right side
    155,268,549.30x = 19,202,859,598,114,276
  5. Step 5: Solve for x
    x = 19,202,859,598,114,276/155,268,549.30
  6. Step 6: Final answer
    x = 123,675,140.17

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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.