Home / 319,094,179.22-478,690,756.98-134,862,431

Finding the Fourth Proportional to 319,094,179.22, 478,690,756.98 and 134,862,431

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Solution

The fourth proportional to 319,094,179.22, 478,690,756.98 and 134,862,431 is: 202,314,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,094,179.22 : 478,690,756.98 = 134,862,431 : x
  2. Step 2: Convert to fraction form
    319,094,179.22/478,690,756.98 = 134,862,431/x
  3. Step 3: Cross multiply
    319,094,179.22x = 478,690,756.98 × 134,862,431
  4. Step 4: Simplify right side
    319,094,179.22x = 64,557,399,183,553,024
  5. Step 5: Solve for x
    x = 64,557,399,183,553,024/319,094,179.22
  6. Step 6: Final answer
    x = 202,314,562.24

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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.