Home / 290,439,703.38-400,806,798.84-160,059,511.38

Finding the Fourth Proportional to 290,439,703.38, 400,806,798.84 and 160,059,511.38

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Solution

The fourth proportional to 290,439,703.38, 400,806,798.84 and 160,059,511.38 is: 220,882,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,439,703.38 : 400,806,798.84 = 160,059,511.38 : x
  2. Step 2: Convert to fraction form
    290,439,703.38/400,806,798.84 = 160,059,511.38/x
  3. Step 3: Cross multiply
    290,439,703.38x = 400,806,798.84 × 160,059,511.38
  4. Step 4: Simplify right side
    290,439,703.38x = 64,152,940,380,112,344
  5. Step 5: Solve for x
    x = 64,152,940,380,112,344/290,439,703.38
  6. Step 6: Final answer
    x = 220,882,130.21

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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.