Home / 378,108,006.20-567,162,009.30-90,893,670.20

Finding the Fourth Proportional to 378,108,006.20, 567,162,009.30 and 90,893,670.20

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Solution

The fourth proportional to 378,108,006.20, 567,162,009.30 and 90,893,670.20 is: 136,340,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,108,006.20 : 567,162,009.30 = 90,893,670.20 : x
  2. Step 2: Convert to fraction form
    378,108,006.20/567,162,009.30 = 90,893,670.20/x
  3. Step 3: Cross multiply
    378,108,006.20x = 567,162,009.30 × 90,893,670.20
  4. Step 4: Simplify right side
    378,108,006.20x = 51,551,436,623,283,528
  5. Step 5: Solve for x
    x = 51,551,436,623,283,528/378,108,006.20
  6. Step 6: Final answer
    x = 136,340,505.30

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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.