Home / 203,136,617.88-304,664,187.87-99,461,153.88

Finding the Fourth Proportional to 203,136,617.88, 304,664,187.87 and 99,461,153.88

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Solution

The fourth proportional to 203,136,617.88, 304,664,187.87 and 99,461,153.88 is: 149,171,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,136,617.88 : 304,664,187.87 = 99,461,153.88 : x
  2. Step 2: Convert to fraction form
    203,136,617.88/304,664,187.87 = 99,461,153.88/x
  3. Step 3: Cross multiply
    203,136,617.88x = 304,664,187.87 × 99,461,153.88
  4. Step 4: Simplify right side
    203,136,617.88x = 30,302,251,671,463,300
  5. Step 5: Solve for x
    x = 30,302,251,671,463,300/203,136,617.88
  6. Step 6: Final answer
    x = 149,171,783.93

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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.