Home / 341,642,285.70-512,413,662.15-99,279,917.70

Finding the Fourth Proportional to 341,642,285.70, 512,413,662.15 and 99,279,917.70

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Solution

The fourth proportional to 341,642,285.70, 512,413,662.15 and 99,279,917.70 is: 148,905,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,642,285.70 : 512,413,662.15 = 99,279,917.70 : x
  2. Step 2: Convert to fraction form
    341,642,285.70/512,413,662.15 = 99,279,917.70/x
  3. Step 3: Cross multiply
    341,642,285.70x = 512,413,662.15 × 99,279,917.70
  4. Step 4: Simplify right side
    341,642,285.70x = 50,872,386,206,607,608
  5. Step 5: Solve for x
    x = 50,872,386,206,607,608/341,642,285.70
  6. Step 6: Final answer
    x = 148,905,414.63

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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.