Home / 346,002,142.30-519,003,213.45-103,665,046.30

Finding the Fourth Proportional to 346,002,142.30, 519,003,213.45 and 103,665,046.30

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Solution

The fourth proportional to 346,002,142.30, 519,003,213.45 and 103,665,046.30 is: 155,497,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,002,142.30 : 519,003,213.45 = 103,665,046.30 : x
  2. Step 2: Convert to fraction form
    346,002,142.30/519,003,213.45 = 103,665,046.30/x
  3. Step 3: Cross multiply
    346,002,142.30x = 519,003,213.45 × 103,665,046.30
  4. Step 4: Simplify right side
    346,002,142.30x = 53,802,492,152,143,032
  5. Step 5: Solve for x
    x = 53,802,492,152,143,032/346,002,142.30
  6. Step 6: Final answer
    x = 155,497,569.45

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Double scale
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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.