Home / 485,726,845.05-728,545,094.89-136,004,566.46

Finding the Fourth Proportional to 485,726,845.05, 728,545,094.89 and 136,004,566.46

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Solution

The fourth proportional to 485,726,845.05, 728,545,094.89 and 136,004,566.46 is: 203,994,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,726,845.05 : 728,545,094.89 = 136,004,566.46 : x
  2. Step 2: Convert to fraction form
    485,726,845.05/728,545,094.89 = 136,004,566.46/x
  3. Step 3: Cross multiply
    485,726,845.05x = 728,545,094.89 × 136,004,566.46
  4. Step 4: Simplify right side
    485,726,845.05x = 99,085,459,773,091,296
  5. Step 5: Solve for x
    x = 99,085,459,773,091,296/485,726,845.05
  6. Step 6: Final answer
    x = 203,994,201.23

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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.