Home / 319,094,179.72-478,690,757.73-134,862,431.50

Finding the Fourth Proportional to 319,094,179.72, 478,690,757.73 and 134,862,431.50

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Solution

The fourth proportional to 319,094,179.72, 478,690,757.73 and 134,862,431.50 is: 202,314,562.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,094,179.72 : 478,690,757.73 = 134,862,431.50 : x
  2. Step 2: Convert to fraction form
    319,094,179.72/478,690,757.73 = 134,862,431.50/x
  3. Step 3: Cross multiply
    319,094,179.72x = 478,690,757.73 × 134,862,431.50
  4. Step 4: Simplify right side
    319,094,179.72x = 64,557,399,524,045,224
  5. Step 5: Solve for x
    x = 64,557,399,524,045,224/319,094,179.72
  6. Step 6: Final answer
    x = 202,314,562.99

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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.