Home / 199,478,571.70-299,247,775.83-70,063,371.70

Finding the Fourth Proportional to 199,478,571.70, 299,247,775.83 and 70,063,371.70

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Solution

The fourth proportional to 199,478,571.70, 299,247,775.83 and 70,063,371.70 is: 105,105,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,478,571.70 : 299,247,775.83 = 70,063,371.70 : x
  2. Step 2: Convert to fraction form
    199,478,571.70/299,247,775.83 = 70,063,371.70/x
  3. Step 3: Cross multiply
    199,478,571.70x = 299,247,775.83 × 70,063,371.70
  4. Step 4: Simplify right side
    199,478,571.70x = 20,966,308,148,375,564
  5. Step 5: Solve for x
    x = 20,966,308,148,375,564/199,478,571.70
  6. Step 6: Final answer
    x = 105,105,565.82

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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.