Home / 331,775,995.40-497,663,993.10-89,463,393.80

Finding the Fourth Proportional to 331,775,995.40, 497,663,993.10 and 89,463,393.80

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Solution

The fourth proportional to 331,775,995.40, 497,663,993.10 and 89,463,393.80 is: 134,195,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,775,995.40 : 497,663,993.10 = 89,463,393.80 : x
  2. Step 2: Convert to fraction form
    331,775,995.40/497,663,993.10 = 89,463,393.80/x
  3. Step 3: Cross multiply
    331,775,995.40x = 497,663,993.10 × 89,463,393.80
  4. Step 4: Simplify right side
    331,775,995.40x = 44,522,709,794,785,784
  5. Step 5: Solve for x
    x = 44,522,709,794,785,784/331,775,995.40
  6. Step 6: Final answer
    x = 134,195,090.70

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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.