Home / 346,691,871.64-519,886,625.82-131,129,954.20

Finding the Fourth Proportional to 346,691,871.64, 519,886,625.82 and 131,129,954.20

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Solution

The fourth proportional to 346,691,871.64, 519,886,625.82 and 131,129,954.20 is: 196,637,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,691,871.64 : 519,886,625.82 = 131,129,954.20 : x
  2. Step 2: Convert to fraction form
    346,691,871.64/519,886,625.82 = 131,129,954.20/x
  3. Step 3: Cross multiply
    346,691,871.64x = 519,886,625.82 × 131,129,954.20
  4. Step 4: Simplify right side
    346,691,871.64x = 68,172,709,432,969,136
  5. Step 5: Solve for x
    x = 68,172,709,432,969,136/346,691,871.64
  6. Step 6: Final answer
    x = 196,637,749.57

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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.