Home / 331,445,322.21-497,187,911.79-101,416,399.77

Finding the Fourth Proportional to 331,445,322.21, 497,187,911.79 and 101,416,399.77

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Solution

The fourth proportional to 331,445,322.21, 497,187,911.79 and 101,416,399.77 is: 152,130,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,445,322.21 : 497,187,911.79 = 101,416,399.77 : x
  2. Step 2: Convert to fraction form
    331,445,322.21/497,187,911.79 = 101,416,399.77/x
  3. Step 3: Cross multiply
    331,445,322.21x = 497,187,911.79 × 101,416,399.77
  4. Step 4: Simplify right side
    331,445,322.21x = 50,423,008,022,906,136
  5. Step 5: Solve for x
    x = 50,423,008,022,906,136/331,445,322.21
  6. Step 6: Final answer
    x = 152,130,697.42

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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.