Home / 289,931,249.61-400,105,189.71-159,551,057.61

Finding the Fourth Proportional to 289,931,249.61, 400,105,189.71 and 159,551,057.61

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Solution

The fourth proportional to 289,931,249.61, 400,105,189.71 and 159,551,057.61 is: 220,180,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,931,249.61 : 400,105,189.71 = 159,551,057.61 : x
  2. Step 2: Convert to fraction form
    289,931,249.61/400,105,189.71 = 159,551,057.61/x
  3. Step 3: Cross multiply
    289,931,249.61x = 400,105,189.71 × 159,551,057.61
  4. Step 4: Simplify right side
    289,931,249.61x = 63,837,206,173,480,192
  5. Step 5: Solve for x
    x = 63,837,206,173,480,192/289,931,249.61
  6. Step 6: Final answer
    x = 220,180,495.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.