Home / 193,346,896.91-290,017,505.70-47,780,454.38

Finding the Fourth Proportional to 193,346,896.91, 290,017,505.70 and 47,780,454.38

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Solution

The fourth proportional to 193,346,896.91, 290,017,505.70 and 47,780,454.38 is: 71,669,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,346,896.91 : 290,017,505.70 = 47,780,454.38 : x
  2. Step 2: Convert to fraction form
    193,346,896.91/290,017,505.70 = 47,780,454.38/x
  3. Step 3: Cross multiply
    193,346,896.91x = 290,017,505.70 × 47,780,454.38
  4. Step 4: Simplify right side
    193,346,896.91x = 13,857,168,199,050,152
  5. Step 5: Solve for x
    x = 13,857,168,199,050,152/193,346,896.91
  6. Step 6: Final answer
    x = 71,669,979.82

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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.