Home / 193,346,890.17-290,017,495.57-47,780,447.64

Finding the Fourth Proportional to 193,346,890.17, 290,017,495.57 and 47,780,447.64

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Solution

The fourth proportional to 193,346,890.17, 290,017,495.57 and 47,780,447.64 is: 71,669,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,346,890.17 : 290,017,495.57 = 47,780,447.64 : x
  2. Step 2: Convert to fraction form
    193,346,890.17/290,017,495.57 = 47,780,447.64/x
  3. Step 3: Cross multiply
    193,346,890.17x = 290,017,495.57 × 47,780,447.64
  4. Step 4: Simplify right side
    193,346,890.17x = 13,857,165,763,162,606
  5. Step 5: Solve for x
    x = 13,857,165,763,162,606/193,346,890.17
  6. Step 6: Final answer
    x = 71,669,969.72

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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.