Home / 346,002,138.30-519,003,207.45-103,665,042.30

Finding the Fourth Proportional to 346,002,138.30, 519,003,207.45 and 103,665,042.30

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Solution

The fourth proportional to 346,002,138.30, 519,003,207.45 and 103,665,042.30 is: 155,497,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,002,138.30 : 519,003,207.45 = 103,665,042.30 : x
  2. Step 2: Convert to fraction form
    346,002,138.30/519,003,207.45 = 103,665,042.30/x
  3. Step 3: Cross multiply
    346,002,138.30x = 519,003,207.45 × 103,665,042.30
  4. Step 4: Simplify right side
    346,002,138.30x = 53,802,489,454,139,920
  5. Step 5: Solve for x
    x = 53,802,489,454,139,920/346,002,138.30
  6. Step 6: Final answer
    x = 155,497,563.45

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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.