Home / 304,543,118.36-456,760,678.45-138,507,732.73

Finding the Fourth Proportional to 304,543,118.36, 456,760,678.45 and 138,507,732.73

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Solution

The fourth proportional to 304,543,118.36, 456,760,678.45 and 138,507,732.73 is: 207,737,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,543,118.36 : 456,760,678.45 = 138,507,732.73 : x
  2. Step 2: Convert to fraction form
    304,543,118.36/456,760,678.45 = 138,507,732.73/x
  3. Step 3: Cross multiply
    304,543,118.36x = 456,760,678.45 × 138,507,732.73
  4. Step 4: Simplify right side
    304,543,118.36x = 63,264,885,973,070,152
  5. Step 5: Solve for x
    x = 63,264,885,973,070,152/304,543,118.36
  6. Step 6: Final answer
    x = 207,737,040.04

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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.